11977310141 has 4 divisors (see below), whose sum is σ = 12156076032. Its totient is φ = 11798544252.

The previous prime is 11977310131. The next prime is 11977310143. The reversal of 11977310141 is 14101377911.

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 11977310141 - 2³⁰ = 10903568317 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 (11977310143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89382845 + ... + 89382978.

It is an arithmetic number, because the mean of its divisors is an integer number (3039019008).

Almost surely, 2^11977310141 is an apocalyptic number.

It is an amenable number.

11977310141 is a deficient number, since it is larger than the sum of its proper divisors (178765891).

11977310141 is an equidigital number, since it uses as much as digits as its factorization.

11977310141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178765890.

The product of its (nonzero) digits is 5292, while the sum is 35.

The spelling of 11977310141 in words is "eleven billion, nine hundred seventy-seven million, three hundred ten thousand, one hundred forty-one".