15071803452 has 36 divisors (see below), whose sum is σ = 38104682616. Its totient is φ = 5023075680.

The previous prime is 15071803433. The next prime is 15071803457. The reversal of 15071803452 is 25430817051.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15071803457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198802 + ... + 263942.

It is an arithmetic number, because the mean of its divisors is an integer number (1058463406).

Almost surely, 2^15071803452 is an apocalyptic number.

15071803452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15071803452 is an abundant number, since it is smaller than the sum of its proper divisors (23032879164).

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

15071803452 is a wasteful number, since it uses less digits than its factorization.

15071803452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71578 (or 71573 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 15071803452 in words is "fifteen billion, seventy-one million, eight hundred three thousand, four hundred fifty-two".