111464536261 has 6 divisors (see below), whose sum is σ = 120698285010. Its totient is φ = 102890341008.

The previous prime is 111464536247. The next prime is 111464536277. The reversal of 111464536261 is 162635464111.

It can be written as a sum of positive squares in 3 ways, for example, as 2807940100 + 108656596161 = 52990^2 + 329631^2 .

It is not a de Polignac number, because 111464536261 - 2²³ = 111456147653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111464536861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329776566 + ... + 329776903.

It is an arithmetic number, because the mean of its divisors is an integer number (20116380835).

Almost surely, 2^111464536261 is an apocalyptic number.

It is an amenable number.

111464536261 is a deficient number, since it is larger than the sum of its proper divisors (9233748749).

111464536261 is an equidigital number, since it uses as much as digits as its factorization.

111464536261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659553495 (or 659553482 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 111464536261 in words is "one hundred eleven billion, four hundred sixty-four million, five hundred thirty-six thousand, two hundred sixty-one".