15455181012 has 12 divisors (see below), whose sum is σ = 36062089056. Its totient is φ = 5151727000.

The previous prime is 15455180957. The next prime is 15455181013. The reversal of 15455181012 is 21018155451.

15455181012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×15455181012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455181013) 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 3 ways as a sum of consecutive naturals, for example, 643965864 + ... + 643965887.

It is an arithmetic number, because the mean of its divisors is an integer number (3005174088).

Almost surely, 2^15455181012 is an apocalyptic number.

15455181012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15455181012 is an abundant number, since it is smaller than the sum of its proper divisors (20606908044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15455181012 is a wasteful number, since it uses less digits than its factorization.

15455181012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287931758 (or 1287931756 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 33.

The spelling of 15455181012 in words is "fifteen billion, four hundred fifty-five million, one hundred eighty-one thousand, twelve".