1157513056501 has 2 divisors, whose sum is σ = 1157513056502. Its totient is φ = 1157513056500.

The previous prime is 1157513056499. The next prime is 1157513056517. The reversal of 1157513056501 is 1056503157511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608713600401 + 548799456100 = 780201^2 + 740810^2 .

It is an emirp because it is prime and its reverse (1056503157511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1157513056501 - 2¹ = 1157513056499 is a prime.

Together with 1157513056499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157513056801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578756528250 + 578756528251.

It is an arithmetic number, because the mean of its divisors is an integer number (578756528251).

Almost surely, 2^{1157513056501} is an apocalyptic number.

It is an amenable number.

1157513056501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157513056501 is an equidigital number, since it uses as much as digits as its factorization.

1157513056501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78750, while the sum is 40.

The spelling of 1157513056501 in words is "one trillion, one hundred fifty-seven billion, five hundred thirteen million, fifty-six thousand, five hundred one".