111000506051 has 2 divisors, whose sum is σ = 111000506052. Its totient is φ = 111000506050.

The previous prime is 111000506041. The next prime is 111000506069. The reversal of 111000506051 is 150605000111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111000506051 - 2²² = 110996311747 is a prime.

It is a super-2 number, since 2×111000506051² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111000506041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500253025 + 55500253026.

It is an arithmetic number, because the mean of its divisors is an integer number (55500253026).

Almost surely, 2^111000506051 is an apocalyptic number.

111000506051 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000506051 is an equidigital number, since it uses as much as digits as its factorization.

111000506051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 111000506051 its reverse (150605000111), we get a palindrome (261605506162).

The spelling of 111000506051 in words is "one hundred eleven billion, five hundred six thousand, fifty-one".