15455140425 has 36 divisors (see below), whose sum is σ = 28270869120. Its totient is φ = 8067358560.

The previous prime is 15455140409. The next prime is 15455140429. The reversal of 15455140425 is 52404155451.

15455140425 is a `hidden beast` number, since 1 + 545 + 51 + 40 + 4 + 25 = 666.

15455140425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15455140425 - 2⁴ = 15455140409 is a prime.

It is a super-2 number, since 2×15455140425² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15455140425.

It is not an unprimeable number, because it can be changed into a prime (15455140429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 720165 + ... + 741314.

It is an arithmetic number, because the mean of its divisors is an integer number (785301920).

Almost surely, 2^15455140425 is an apocalyptic number.

15455140425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15455140425 is a deficient number, since it is larger than the sum of its proper divisors (12815728695).

15455140425 is a wasteful number, since it uses less digits than its factorization.

15455140425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461542 (or 1461534 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 15455140425 its reverse (52404155451), we get a palindrome (67859295876).

The spelling of 15455140425 in words is "fifteen billion, four hundred fifty-five million, one hundred forty thousand, four hundred twenty-five".