11266939957 has 16 divisors (see below), whose sum is σ = 13922278272. Its totient is φ = 8878968000.

The previous prime is 11266939951. The next prime is 11266939963. The reversal of 11266939957 is 75993966211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11266939951) and next prime (11266939963).

It is not a de Polignac number, because 11266939957 - 2²⁷ = 11132722229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11266939951) 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, 223798 + ... + 269479.

It is an arithmetic number, because the mean of its divisors is an integer number (870142392).

Almost surely, 2^11266939957 is an apocalyptic number.

It is an amenable number.

11266939957 is a deficient number, since it is larger than the sum of its proper divisors (2655338315).

11266939957 is a wasteful number, since it uses less digits than its factorization.

11266939957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493548.

The product of its digits is 5511240, while the sum is 58.

The spelling of 11266939957 in words is "eleven billion, two hundred sixty-six million, nine hundred thirty-nine thousand, nine hundred fifty-seven".