11853091265 has 16 divisors (see below), whose sum is σ = 14717451600. Its totient is φ = 9153457152.

The previous prime is 11853091259. The next prime is 11853091279. The reversal of 11853091265 is 56219035811.

It can be written as a sum of positive squares in 8 ways, for example, as 1629252496 + 10223838769 = 40364^2 + 101113^2 .

It is a cyclic number.

It is not a de Polignac number, because 11853091265 - 2²⁸ = 11584655809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188821 + ... + 1198749.

It is an arithmetic number, because the mean of its divisors is an integer number (919840725).

Almost surely, 2^11853091265 is an apocalyptic number.

It is an amenable number.

11853091265 is a deficient number, since it is larger than the sum of its proper divisors (2864360335).

11853091265 is an equidigital number, since it uses as much as digits as its factorization.

11853091265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18196.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 11853091265 in words is "eleven billion, eight hundred fifty-three million, ninety-one thousand, two hundred sixty-five".