15235142052 has 48 divisors (see below), whose sum is σ = 39317872832. Its totient is φ = 4561038720.

The previous prime is 15235142023. The next prime is 15235142149. The reversal of 15235142052 is 25024153251.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313974 + ... + 1325517.

Almost surely, 2^15235142052 is an apocalyptic number.

15235142052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15235142052 is an abundant number, since it is smaller than the sum of its proper divisors (24082730780).

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

15235142052 is a wasteful number, since it uses less digits than its factorization.

15235142052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639548 (or 2639546 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 15235142052 in words is "fifteen billion, two hundred thirty-five million, one hundred forty-two thousand, fifty-two".