15425101145 has 4 divisors (see below), whose sum is σ = 18510121380. Its totient is φ = 12340080912.

The previous prime is 15425101141. The next prime is 15425101177. The reversal of 15425101145 is 54110152451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54110152451 = 1979 ⋅27342169.

It can be written as a sum of positive squares in 2 ways, for example, as 1819278409 + 13605822736 = 42653^2 + 116644^2 .

It is a cyclic number.

It is not a de Polignac number, because 15425101145 - 2² = 15425101141 is a prime.

It is a super-2 number, since 2×15425101145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15425101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542510110 + ... + 1542510119.

It is an arithmetic number, because the mean of its divisors is an integer number (4627530345).

Almost surely, 2^15425101145 is an apocalyptic number.

It is an amenable number.

15425101145 is a deficient number, since it is larger than the sum of its proper divisors (3085020235).

15425101145 is an equidigital number, since it uses as much as digits as its factorization.

15425101145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085020234.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 15425101145 its reverse (54110152451), we get a palindrome (69535253596).

The spelling of 15425101145 in words is "fifteen billion, four hundred twenty-five million, one hundred one thousand, one hundred forty-five".