11774615055 has 64 divisors (see below), whose sum is σ = 23788505088. Its totient is φ = 4845772800.

The previous prime is 11774615011. The next prime is 11774615113. The reversal of 11774615055 is 55051647711.

It is not a de Polignac number, because 11774615055 - 2⁷ = 11774614927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11774614998 and 11774615016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102346 + ... + 184455.

It is an arithmetic number, because the mean of its divisors is an integer number (371695392).

Almost surely, 2^11774615055 is an apocalyptic number.

11774615055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11774615055 is an abundant number, since it is smaller than the sum of its proper divisors (12013890033).

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

11774615055 is a wasteful number, since it uses less digits than its factorization.

11774615055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286856.

The product of its (nonzero) digits is 147000, while the sum is 42.

The spelling of 11774615055 in words is "eleven billion, seven hundred seventy-four million, six hundred fifteen thousand, fifty-five".