15534423925012 has 12 divisors (see below), whose sum is σ = 27186294069396. Its totient is φ = 7766911333760.

The previous prime is 15534423924989. The next prime is 15534423925043. The reversal of 15534423925012 is 21052932443551.

It can be written as a sum of positive squares in 2 ways, for example, as 6961977765136 + 8572446159876 = 2638556^2 + 2927874^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 75040903 + ... + 75247630.

It is an arithmetic number, because the mean of its divisors is an integer number (2265524505783).

Almost surely, 2^{15534423925012} is an apocalyptic number.

It is an amenable number.

15534423925012 is a deficient number, since it is larger than the sum of its proper divisors (11651870144384).

15534423925012 is a wasteful number, since it uses less digits than its factorization.

15534423925012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150314378 (or 150314376 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 15534423925012 in words is "fifteen trillion, five hundred thirty-four billion, four hundred twenty-three million, nine hundred twenty-five thousand, twelve".