15530212455 has 16 divisors (see below), whose sum is σ = 25029717984. Its totient is φ = 8222320640.

The previous prime is 15530212409. The next prime is 15530212471. The reversal of 15530212455 is 55421203551.

It is not a de Polignac number, because 15530212455 - 2²⁰ = 15529163879 is a prime.

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, 3776586 + ... + 3780695.

It is an arithmetic number, because the mean of its divisors is an integer number (1564357374).

Almost surely, 2^15530212455 is an apocalyptic number.

15530212455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15530212455 is a deficient number, since it is larger than the sum of its proper divisors (9499505529).

15530212455 is a wasteful number, since it uses less digits than its factorization.

15530212455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557426.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 15530212455 in words is "fifteen billion, five hundred thirty million, two hundred twelve thousand, four hundred fifty-five".