1157170217051 has 2 divisors, whose sum is σ = 1157170217052. Its totient is φ = 1157170217050.

The previous prime is 1157170217009. The next prime is 1157170217059. The reversal of 1157170217051 is 1507120717511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1157170217051 - 2⁶ = 1157170216987 is a prime.

It is a super-2 number, since 2×1157170217051² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157170216996 and 1157170217014.

It is not a weakly prime, because it can be changed into another prime (1157170217059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578585108525 + 578585108526.

It is an arithmetic number, because the mean of its divisors is an integer number (578585108526).

Almost surely, 2^{1157170217051} is an apocalyptic number.

1157170217051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157170217051 is an equidigital number, since it uses as much as digits as its factorization.

1157170217051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17150, while the sum is 38.

The spelling of 1157170217051 in words is "one trillion, one hundred fifty-seven billion, one hundred seventy million, two hundred seventeen thousand, fifty-one".