55011115015 has 8 divisors (see below), whose sum is σ = 66165796368. Its totient is φ = 43907253120.

The previous prime is 55011114973. The next prime is 55011115037. The reversal of 55011115015 is 51051111055.

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

It is not a de Polignac number, because 55011115015 - 2¹⁷ = 55010983943 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 7 ways as a sum of consecutive naturals, for example, 12702481 + ... + 12706810.

It is an arithmetic number, because the mean of its divisors is an integer number (8270724546).

Almost surely, 2^55011115015 is an apocalyptic number.

55011115015 is a deficient number, since it is larger than the sum of its proper divisors (11154681353).

55011115015 is a wasteful number, since it uses less digits than its factorization.

55011115015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409729.

The product of its (nonzero) digits is 625, while the sum is 25.

The spelling of 55011115015 in words is "fifty-five billion, eleven million, one hundred fifteen thousand, fifteen".