15055605555 has 8 divisors (see below), whose sum is σ = 24088968912. Its totient is φ = 8029656288.

The previous prime is 15055605553. The next prime is 15055605557. The reversal of 15055605555 is 55550655051.

It is an interprime number because it is at equal distance from previous prime (15055605553) and next prime (15055605557).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15055605555 - 2¹ = 15055605553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15055605553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501853504 + ... + 501853533.

It is an arithmetic number, because the mean of its divisors is an integer number (3011121114).

Almost surely, 2^15055605555 is an apocalyptic number.

15055605555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15055605555 is a deficient number, since it is larger than the sum of its proper divisors (9033363357).

15055605555 is a wasteful number, since it uses less digits than its factorization.

15055605555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003707045.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 15055605555 in words is "fifteen billion, fifty-five million, six hundred five thousand, five hundred fifty-five".