12377663551 has 4 divisors (see below), whose sum is σ = 13502905704. Its totient is φ = 11252421400.

The previous prime is 12377663503. The next prime is 12377663567. The reversal of 12377663551 is 15536677321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12377663551 - 2¹³ = 12377655359 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 (12377663581) 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, 562621060 + ... + 562621081.

It is an arithmetic number, because the mean of its divisors is an integer number (3375726426).

Almost surely, 2^12377663551 is an apocalyptic number.

12377663551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12377663551 is a deficient number, since it is larger than the sum of its proper divisors (1125242153).

12377663551 is a wasteful number, since it uses less digits than its factorization.

12377663551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125242152.

The product of its digits is 793800, while the sum is 46.

The spelling of 12377663551 in words is "twelve billion, three hundred seventy-seven million, six hundred sixty-three thousand, five hundred fifty-one".