1156102340557 has 2 divisors, whose sum is σ = 1156102340558. Its totient is φ = 1156102340556.

The previous prime is 1156102340509. The next prime is 1156102340563. The reversal of 1156102340557 is 7550432016511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1014490113961 + 141612226596 = 1007219^2 + 376314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156102340557 - 2¹¹ = 1156102338509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156102340507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578051170278 + 578051170279.

It is an arithmetic number, because the mean of its divisors is an integer number (578051170279).

Almost surely, 2^{1156102340557} is an apocalyptic number.

It is an amenable number.

1156102340557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156102340557 is an equidigital number, since it uses as much as digits as its factorization.

1156102340557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 1156102340557 in words is "one trillion, one hundred fifty-six billion, one hundred two million, three hundred forty thousand, five hundred fifty-seven".