1157237006501 has 2 divisors, whose sum is σ = 1157237006502. Its totient is φ = 1157237006500.

The previous prime is 1157237006441. The next prime is 1157237006593. The reversal of 1157237006501 is 1056007327511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978773848900 + 178463157601 = 989330^2 + 422449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157237006501 - 2³⁰ = 1156163264677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157237006201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578618503250 + 578618503251.

It is an arithmetic number, because the mean of its divisors is an integer number (578618503251).

Almost surely, 2^{1157237006501} is an apocalyptic number.

It is an amenable number.

1157237006501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157237006501 is an equidigital number, since it uses as much as digits as its factorization.

1157237006501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 1157237006501 in words is "one trillion, one hundred fifty-seven billion, two hundred thirty-seven million, six thousand, five hundred one".