15012540052 has 6 divisors (see below), whose sum is σ = 26271945098. Its totient is φ = 7506270024.

The previous prime is 15012540007. The next prime is 15012540061. The reversal of 15012540052 is 25004521051.

It can be written as a sum of positive squares in only one way, i.e., 14545807236 + 466732816 = 120606^2 + 21604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15012539999 and 15012540026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876567503 + ... + 1876567510.

Almost surely, 2^15012540052 is an apocalyptic number.

It is an amenable number.

15012540052 is a deficient number, since it is larger than the sum of its proper divisors (11259405046).

15012540052 is a wasteful number, since it uses less digits than its factorization.

15012540052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753135017 (or 3753135015 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 15012540052 in words is "fifteen billion, twelve million, five hundred forty thousand, fifty-two".