15523443401052 has 48 divisors (see below), whose sum is σ = 36368195173632. Its totient is φ = 5153508672000.

The previous prime is 15523443401029. The next prime is 15523443401099. The reversal of 15523443401052 is 25010434432551.

It is a self number, because there is not a number n which added to its sum of digits gives 15523443401052.

It is a congruent number.

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, 45228913 + ... + 45570839.

It is an arithmetic number, because the mean of its divisors is an integer number (757670732784).

Almost surely, 2^{15523443401052} is an apocalyptic number.

15523443401052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15523443401052 is an abundant number, since it is smaller than the sum of its proper divisors (20844751772580).

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

15523443401052 is a wasteful number, since it uses less digits than its factorization.

15523443401052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357258 (or 357256 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 15523443401052 in words is "fifteen trillion, five hundred twenty-three billion, four hundred forty-three million, four hundred one thousand, fifty-two".