15555452005525 has 12 divisors (see below), whose sum is σ = 19288826548192. Its totient is φ = 12444318984240.

The previous prime is 15555452005517. The next prime is 15555452005531. The reversal of 15555452005525 is 52550025455551.

It is not a de Polignac number, because 15555452005525 - 2³ = 15555452005517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7839274 + ... + 9621076.

Almost surely, 2^{15555452005525} is an apocalyptic number.

It is an amenable number.

15555452005525 is a deficient number, since it is larger than the sum of its proper divisors (3733374542667).

15555452005525 is a wasteful number, since it uses less digits than its factorization.

15555452005525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131020 (or 2131015 counting only the distinct ones).

The product of its (nonzero) digits is 6250000, while the sum is 49.

The spelling of 15555452005525 in words is "fifteen trillion, five hundred fifty-five billion, four hundred fifty-two million, five thousand, five hundred twenty-five".