11378365277 has 4 divisors (see below), whose sum is σ = 11460224160. Its totient is φ = 11296506396.

The previous prime is 11378365247. The next prime is 11378365279. The reversal of 11378365277 is 77256387311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77256387311 = 276181 ⋅279731.

It is a cyclic number.

It is not a de Polignac number, because 11378365277 - 2⁸ = 11378365021 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 (11378365279) 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, 40929233 + ... + 40929510.

It is an arithmetic number, because the mean of its divisors is an integer number (2865056040).

Almost surely, 2^11378365277 is an apocalyptic number.

It is an amenable number.

11378365277 is a deficient number, since it is larger than the sum of its proper divisors (81858883).

11378365277 is an equidigital number, since it uses as much as digits as its factorization.

11378365277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81858882.

The product of its digits is 1481760, while the sum is 50.

The spelling of 11378365277 in words is "eleven billion, three hundred seventy-eight million, three hundred sixty-five thousand, two hundred seventy-seven".