15125034040 has 32 divisors (see below), whose sum is σ = 34034877360. Its totient is φ = 6049382400.

The previous prime is 15125034019. The next prime is 15125034083. The reversal of 15125034040 is 4043052151.

It is a happy number.

It is a super-2 number, since 2×15125034040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15125033996 and 15125034014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644920 + ... + 667960.

Almost surely, 2^15125034040 is an apocalyptic number.

15125034040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15125034040 is an abundant number, since it is smaller than the sum of its proper divisors (18909843320).

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

15125034040 is a wasteful number, since it uses less digits than its factorization.

15125034040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39463 (or 39459 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15125034040 its reverse (4043052151), we get a palindrome (19168086191).

The spelling of 15125034040 in words is "fifteen billion, one hundred twenty-five million, thirty-four thousand, forty".