11312535261 has 16 divisors (see below), whose sum is σ = 15204530880. Its totient is φ = 7481160960.

The previous prime is 11312535253. The next prime is 11312535263. The reversal of 11312535261 is 16253521311.

It is not a de Polignac number, because 11312535261 - 2³ = 11312535253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312535263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486855 + ... + 1494443.

It is an arithmetic number, because the mean of its divisors is an integer number (950283180).

Almost surely, 2^11312535261 is an apocalyptic number.

It is an amenable number.

11312535261 is a deficient number, since it is larger than the sum of its proper divisors (3891995619).

11312535261 is a wasteful number, since it uses less digits than its factorization.

11312535261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11516.

The product of its digits is 5400, while the sum is 30.

The spelling of 11312535261 in words is "eleven billion, three hundred twelve million, five hundred thirty-five thousand, two hundred sixty-one".