1138915777586 has 16 divisors (see below), whose sum is σ = 1714021516800. Its totient is φ = 567578163648.

The previous prime is 1138915777553. The next prime is 1138915777609. The reversal of 1138915777586 is 6857775198311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66170 + ... + 1510698.

It is an arithmetic number, because the mean of its divisors is an integer number (107126344800).

Almost surely, 2^{1138915777586} is an apocalyptic number.

1138915777586 is a deficient number, since it is larger than the sum of its proper divisors (575105739214).

1138915777586 is a wasteful number, since it uses less digits than its factorization.

1138915777586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445833.

The product of its digits is 88905600, while the sum is 68.

The spelling of 1138915777586 in words is "one trillion, one hundred thirty-eight billion, nine hundred fifteen million, seven hundred seventy-seven thousand, five hundred eighty-six".