1156660631036 has 12 divisors (see below), whose sum is σ = 2054367389928. Its totient is φ = 569698519632.

The previous prime is 1156660630991. The next prime is 1156660631039. The reversal of 1156660631036 is 6301360666511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156660631039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2157948671 + ... + 2157949206.

It is an arithmetic number, because the mean of its divisors is an integer number (171197282494).

Almost surely, 2^{1156660631036} is an apocalyptic number.

It is an amenable number.

1156660631036 is a deficient number, since it is larger than the sum of its proper divisors (897706758892).

1156660631036 is a wasteful number, since it uses less digits than its factorization.

1156660631036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315897948 (or 4315897946 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 1156660631036 in words is "one trillion, one hundred fifty-six billion, six hundred sixty million, six hundred thirty-one thousand, thirty-six".