1156166504053 has 16 divisors (see below), whose sum is σ = 1282052880000. Its totient is φ = 1033865902080.

The previous prime is 1156166504047. The next prime is 1156166504057. The reversal of 1156166504053 is 3504056616511.

It is a de Polignac number, because none of the positive numbers 2^k-1156166504053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156166504057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2870553 + ... + 3248446.

It is an arithmetic number, because the mean of its divisors is an integer number (80128305000).

Almost surely, 2^{1156166504053} is an apocalyptic number.

It is an amenable number.

1156166504053 is a deficient number, since it is larger than the sum of its proper divisors (125886375947).

1156166504053 is a wasteful number, since it uses less digits than its factorization.

1156166504053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119292.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 1156166504053 in words is "one trillion, one hundred fifty-six billion, one hundred sixty-six million, five hundred four thousand, fifty-three".