11870813401677 has 6 divisors (see below), whose sum is σ = 17146730469102. Its totient is φ = 7913875601112.

The previous prime is 11870813401633. The next prime is 11870813401693. The reversal of 11870813401677 is 77610431807811.

11870813401677 is a `hidden beast` number, since 11 + 87 + 0 + 81 + 3 + 401 + 6 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9578659793481 + 2292153608196 = 3094941^2 + 1513986^2 .

It is not a de Polignac number, because 11870813401677 - 2¹⁹ = 11870812877389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11870813401627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659489633418 + ... + 659489633435.

It is an arithmetic number, because the mean of its divisors is an integer number (2857788411517).

Almost surely, 2^{11870813401677} is an apocalyptic number.

It is an amenable number.

11870813401677 is a deficient number, since it is larger than the sum of its proper divisors (5275917067425).

11870813401677 is a wasteful number, since it uses less digits than its factorization.

11870813401677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318979266859 (or 1318979266856 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 11870813401677 in words is "eleven trillion, eight hundred seventy billion, eight hundred thirteen million, four hundred one thousand, six hundred seventy-seven".