113111002051 has 2 divisors, whose sum is σ = 113111002052. Its totient is φ = 113111002050.

The previous prime is 113111001979. The next prime is 113111002057. The reversal of 113111002051 is 150200111311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113111002051 - 2¹¹ = 113111000003 is a prime.

It is not a weakly prime, because it can be changed into another prime (113111002057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56555501025 + 56555501026.

It is an arithmetic number, because the mean of its divisors is an integer number (56555501026).

Almost surely, 2^113111002051 is an apocalyptic number.

113111002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

113111002051 is an equidigital number, since it uses as much as digits as its factorization.

113111002051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 113111002051 its reverse (150200111311), we get a palindrome (263311113362).

The spelling of 113111002051 in words is "one hundred thirteen billion, one hundred eleven million, two thousand, fifty-one".