15252031136 has 24 divisors (see below), whose sum is σ = 30032402400. Its totient is φ = 7624754368.

The previous prime is 15252031133. The next prime is 15252031153. The reversal of 15252031136 is 63113025251.

It is a junction number, because it is equal to n+sod(n) for n = 15252031099 and 15252031108.

It is not an unprimeable number, because it can be changed into a prime (15252031133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175055 + ... + 247281.

It is an arithmetic number, because the mean of its divisors is an integer number (1251350100).

Almost surely, 2^15252031136 is an apocalyptic number.

15252031136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15252031136 is a deficient number, since it is larger than the sum of its proper divisors (14780371264).

15252031136 is an equidigital number, since it uses as much as digits as its factorization.

15252031136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78836 (or 78828 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 15252031136 its reverse (63113025251), we get a palindrome (78365056387).

The spelling of 15252031136 in words is "fifteen billion, two hundred fifty-two million, thirty-one thousand, one hundred thirty-six".