115462560721 has 2 divisors, whose sum is σ = 115462560722. Its totient is φ = 115462560720.

The previous prime is 115462560589. The next prime is 115462560737. The reversal of 115462560721 is 127065264511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106458638400 + 9003922321 = 326280^2 + 94889^2 .

It is an emirp because it is prime and its reverse (127065264511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115462560721 - 2⁹ = 115462560209 is a prime.

It is a super-2 number, since 2×115462560721² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115462560761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57731280360 + 57731280361.

It is an arithmetic number, because the mean of its divisors is an integer number (57731280361).

Almost surely, 2^115462560721 is an apocalyptic number.

It is an amenable number.

115462560721 is a deficient number, since it is larger than the sum of its proper divisors (1).

115462560721 is an equidigital number, since it uses as much as digits as its factorization.

115462560721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 115462560721 in words is "one hundred fifteen billion, four hundred sixty-two million, five hundred sixty thousand, seven hundred twenty-one".