1115567900131 has 2 divisors, whose sum is σ = 1115567900132. Its totient is φ = 1115567900130.

The previous prime is 1115567900059. The next prime is 1115567900159. The reversal of 1115567900131 is 1310097655111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115567900131 - 2⁹ = 1115567899619 is a prime.

It is a super-2 number, since 2×1115567900131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1115567900731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557783950065 + 557783950066.

It is an arithmetic number, because the mean of its divisors is an integer number (557783950066).

Almost surely, 2^{1115567900131} is an apocalyptic number.

1115567900131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115567900131 is an equidigital number, since it uses as much as digits as its factorization.

1115567900131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 40.

The spelling of 1115567900131 in words is "one trillion, one hundred fifteen billion, five hundred sixty-seven million, nine hundred thousand, one hundred thirty-one".