1157015413 has 2 divisors, whose sum is σ = 1157015414. Its totient is φ = 1157015412.

The previous prime is 1157015371. The next prime is 1157015459. The reversal of 1157015413 is 3145107511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997422724 + 159592689 = 31582^2 + 12633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157015413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157015473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578507706 + 578507707.

It is an arithmetic number, because the mean of its divisors is an integer number (578507707).

Almost surely, 2^1157015413 is an apocalyptic number.

It is an amenable number.

1157015413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157015413 is an equidigital number, since it uses as much as digits as its factorization.

1157015413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1157015413 is about 34014.9292664265. The cubic root of 1157015413 is about 1049.8156631804.

The spelling of 1157015413 in words is "one billion, one hundred fifty-seven million, fifteen thousand, four hundred thirteen".