15123012452 has 48 divisors (see below), whose sum is σ = 28063506240. Its totient is φ = 7118525568.

The previous prime is 15123012431. The next prime is 15123012529. The reversal of 15123012452 is 25421032151.

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, 3254843 + ... + 3259485.

It is an arithmetic number, because the mean of its divisors is an integer number (584656380).

Almost surely, 2^15123012452 is an apocalyptic number.

It is an amenable number.

15123012452 is a deficient number, since it is larger than the sum of its proper divisors (12940493788).

15123012452 is a wasteful number, since it uses less digits than its factorization.

15123012452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 15123012452 in words is "fifteen billion, one hundred twenty-three million, twelve thousand, four hundred fifty-two".