11878810451277 has 16 divisors (see below), whose sum is σ = 19746593997312. Its totient is φ = 6170810623920.

The previous prime is 11878810451251. The next prime is 11878810451353. The reversal of 11878810451277 is 77215401887811.

It is not a de Polignac number, because 11878810451277 - 2⁶ = 11878810451213 is a prime.

It is a super-2 number, since 2×11878810451277² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11878810451277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878810451227) 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 15 ways as a sum of consecutive naturals, for example, 25711710703 + ... + 25711711164.

It is an arithmetic number, because the mean of its divisors is an integer number (1234162124832).

Almost surely, 2^{11878810451277} is an apocalyptic number.

It is an amenable number.

11878810451277 is a deficient number, since it is larger than the sum of its proper divisors (7867783546035).

11878810451277 is a wasteful number, since it uses less digits than its factorization.

11878810451277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51423421888.

The product of its (nonzero) digits is 7024640, while the sum is 60.

The spelling of 11878810451277 in words is "eleven trillion, eight hundred seventy-eight billion, eight hundred ten million, four hundred fifty-one thousand, two hundred seventy-seven".