11265661253 has 16 divisors (see below), whose sum is σ = 14223298560. Its totient is φ = 8667313200.

The previous prime is 11265661219. The next prime is 11265661261. The reversal of 11265661253 is 35216656211.

It is not a de Polignac number, because 11265661253 - 2²⁰ = 11264612677 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 (11265661213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919913 + ... + 932078.

It is an arithmetic number, because the mean of its divisors is an integer number (888956160).

Almost surely, 2^11265661253 is an apocalyptic number.

It is an amenable number.

11265661253 is a deficient number, since it is larger than the sum of its proper divisors (2957637307).

11265661253 is a wasteful number, since it uses less digits than its factorization.

11265661253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852088.

The product of its digits is 64800, while the sum is 38.

The spelling of 11265661253 in words is "eleven billion, two hundred sixty-five million, six hundred sixty-one thousand, two hundred fifty-three".