55119091155 has 16 divisors (see below), whose sum is σ = 88204210080. Its totient is φ = 29392293888.

The previous prime is 55119091127. The next prime is 55119091163.

55119091155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55119091155 - 2¹² = 55119087059 is a prime.

It is a super-2 number, since 2×55119091155² (a number of 22 digits) contains 22 as substring.

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, 183472 + ... + 379341.

It is an arithmetic number, because the mean of its divisors is an integer number (5512763130).

Almost surely, 2^55119091155 is an apocalyptic number.

55119091155 is a deficient number, since it is larger than the sum of its proper divisors (33085118925).

55119091155 is a wasteful number, since it uses less digits than its factorization.

55119091155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569350.

The product of its (nonzero) digits is 50625, while the sum is 42.

The spelling of 55119091155 in words is "fifty-five billion, one hundred nineteen million, ninety-one thousand, one hundred fifty-five".