1156606554996 has 36 divisors (see below), whose sum is σ = 2923678169412. Its totient is φ = 385531058304.

The previous prime is 1156606554991. The next prime is 1156606555043. The reversal of 1156606554996 is 6994556066511.

1156606554996 is a `hidden beast` number, since 1 + 1 + 566 + 0 + 65 + 5 + 4 + 9 + 9 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38744410896 + 1117862144100 = 196836^2 + 1057290^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156606554991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4806526 + ... + 5041418.

Almost surely, 2^{1156606554996} is an apocalyptic number.

It is an amenable number.

1156606554996 is an abundant number, since it is smaller than the sum of its proper divisors (1767071614416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156606554996 is a wasteful number, since it uses less digits than its factorization.

1156606554996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371680 (or 371675 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 63.

The spelling of 1156606554996 in words is "one trillion, one hundred fifty-six billion, six hundred six million, five hundred fifty-four thousand, nine hundred ninety-six".