1131655657204 has 12 divisors (see below), whose sum is σ = 1980451837728. Its totient is φ = 565812275000.

The previous prime is 1131655657177. The next prime is 1131655657207. The reversal of 1131655657204 is 4027565561311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131655657207) 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, 3723922 + ... + 4016329.

It is an arithmetic number, because the mean of its divisors is an integer number (165037653144).

Almost surely, 2^{1131655657204} is an apocalyptic number.

It is an amenable number.

1131655657204 is a deficient number, since it is larger than the sum of its proper divisors (848796180524).

1131655657204 is a wasteful number, since it uses less digits than its factorization.

1131655657204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776806 (or 7776804 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 1131655657204 in words is "one trillion, one hundred thirty-one billion, six hundred fifty-five million, six hundred fifty-seven thousand, two hundred four".