11677277631 has 4 divisors (see below), whose sum is σ = 15569703512. Its totient is φ = 7784851752.

The previous prime is 11677277627. The next prime is 11677277657. The reversal of 11677277631 is 13677277611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13677277611 = 3 ⋅4559092537.

It is not a de Polignac number, because 11677277631 - 2² = 11677277627 is a prime.

It is a super-3 number, since 3×11677277631³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11677277531) 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, 1946212936 + ... + 1946212941.

It is an arithmetic number, because the mean of its divisors is an integer number (3892425878).

Almost surely, 2^11677277631 is an apocalyptic number.

11677277631 is a deficient number, since it is larger than the sum of its proper divisors (3892425881).

11677277631 is an equidigital number, since it uses as much as digits as its factorization.

11677277631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892425880.

The product of its digits is 518616, while the sum is 48.

The spelling of 11677277631 in words is "eleven billion, six hundred seventy-seven million, two hundred seventy-seven thousand, six hundred thirty-one".