115419402521 has 2 divisors, whose sum is σ = 115419402522. Its totient is φ = 115419402520.

The previous prime is 115419402503. The next prime is 115419402529. The reversal of 115419402521 is 125204914511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84587905600 + 30831496921 = 290840^2 + 175589^2 .

It is a cyclic number.

It is not a de Polignac number, because 115419402521 - 2³⁰ = 114345660697 is a prime.

It is not a weakly prime, because it can be changed into another prime (115419402529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57709701260 + 57709701261.

It is an arithmetic number, because the mean of its divisors is an integer number (57709701261).

Almost surely, 2^115419402521 is an apocalyptic number.

It is an amenable number.

115419402521 is a deficient number, since it is larger than the sum of its proper divisors (1).

115419402521 is an equidigital number, since it uses as much as digits as its factorization.

115419402521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 115419402521 in words is "one hundred fifteen billion, four hundred nineteen million, four hundred two thousand, five hundred twenty-one".