15423444220552 has 16 divisors (see below), whose sum is σ = 28929833830800. Its totient is φ = 7708821865680.

The previous prime is 15423444220549. The next prime is 15423444220571. The reversal of 15423444220552 is 25502244432451.

It is a junction number, because it is equal to n+sod(n) for n = 15423444220499 and 15423444220508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362507974 + ... + 362550517.

It is an arithmetic number, because the mean of its divisors is an integer number (1808114614425).

Almost surely, 2^{15423444220552} is an apocalyptic number.

It is an amenable number.

15423444220552 is a deficient number, since it is larger than the sum of its proper divisors (13506389610248).

15423444220552 is a wasteful number, since it uses less digits than its factorization.

15423444220552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725061156 (or 725061152 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 15423444220552 in words is "fifteen trillion, four hundred twenty-three billion, four hundred forty-four million, two hundred twenty thousand, five hundred fifty-two".