55111060051 has 4 divisors (see below), whose sum is σ = 55173192912. Its totient is φ = 55048927192.

The previous prime is 55111060031. The next prime is 55111060057. The reversal of 55111060051 is 15006011155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55111060051 - 2⁵ = 55111060019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55111059998 and 55111060025.

It is not an unprimeable number, because it can be changed into a prime (55111060057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31065100 + ... + 31066873.

It is an arithmetic number, because the mean of its divisors is an integer number (13793298228).

Almost surely, 2^55111060051 is an apocalyptic number.

55111060051 is a deficient number, since it is larger than the sum of its proper divisors (62132861).

55111060051 is an equidigital number, since it uses as much as digits as its factorization.

55111060051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62132860.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 55111060051 in words is "fifty-five billion, one hundred eleven million, sixty thousand, fifty-one".