1156166665124 has 6 divisors (see below), whose sum is σ = 2023291663974. Its totient is φ = 578083332560.

The previous prime is 1156166665103. The next prime is 1156166665153. The reversal of 1156166665124 is 4215666616511.

It can be written as a sum of positive squares in only one way, i.e., 1085176391524 + 70990273600 = 1041718^2 + 266440^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144520833137 + ... + 144520833144.

It is an arithmetic number, because the mean of its divisors is an integer number (337215277329).

Almost surely, 2^{1156166665124} is an apocalyptic number.

It is an amenable number.

1156166665124 is a deficient number, since it is larger than the sum of its proper divisors (867124998850).

1156166665124 is a wasteful number, since it uses less digits than its factorization.

1156166665124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289041666285 (or 289041666283 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The spelling of 1156166665124 in words is "one trillion, one hundred fifty-six billion, one hundred sixty-six million, six hundred sixty-five thousand, one hundred twenty-four".