11975310277 has 4 divisors (see below), whose sum is σ = 13686068896. Its totient is φ = 10264551660.

The previous prime is 11975310271. The next prime is 11975310287. The reversal of 11975310277 is 77201357911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11975310277 - 2¹¹ = 11975308229 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 (11975310271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855379299 + ... + 855379312.

It is an arithmetic number, because the mean of its divisors is an integer number (3421517224).

Almost surely, 2^11975310277 is an apocalyptic number.

It is an amenable number.

11975310277 is a deficient number, since it is larger than the sum of its proper divisors (1710758619).

11975310277 is an equidigital number, since it uses as much as digits as its factorization.

11975310277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710758618.

The product of its (nonzero) digits is 92610, while the sum is 43.

The spelling of 11975310277 in words is "eleven billion, nine hundred seventy-five million, three hundred ten thousand, two hundred seventy-seven".