1166372577711 has 48 divisors (see below), whose sum is σ = 1917010761120. Its totient is φ = 682516665600.

The previous prime is 1166372577703. The next prime is 1166372577731. The reversal of 1166372577711 is 1177752736611.

It is a happy number.

1166372577711 is a `hidden beast` number, since 1 + 1 + 6 + 63 + 7 + 2 + 577 + 7 + 1 + 1 = 666.

It is not a de Polignac number, because 1166372577711 - 2³ = 1166372577703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166372577701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1331370 + ... + 2026151.

It is an arithmetic number, because the mean of its divisors is an integer number (39937724190).

Almost surely, 2^{1166372577711} is an apocalyptic number.

1166372577711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1166372577711 is a deficient number, since it is larger than the sum of its proper divisors (750638183409).

1166372577711 is a wasteful number, since it uses less digits than its factorization.

1166372577711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357589 (or 3357564 counting only the distinct ones).

The product of its digits is 2593080, while the sum is 54.

The spelling of 1166372577711 in words is "one trillion, one hundred sixty-six billion, three hundred seventy-two million, five hundred seventy-seven thousand, seven hundred eleven".