115417474021 has 2 divisors, whose sum is σ = 115417474022. Its totient is φ = 115417474020.

The previous prime is 115417473991. The next prime is 115417474031. The reversal of 115417474021 is 120474714511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110563565121 + 4853908900 = 332511^2 + 69670^2 .

It is a cyclic number.

It is not a de Polignac number, because 115417474021 - 2¹¹ = 115417471973 is a prime.

It is a super-3 number, since 3×115417474021³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115417474031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57708737010 + 57708737011.

It is an arithmetic number, because the mean of its divisors is an integer number (57708737011).

Almost surely, 2^115417474021 is an apocalyptic number.

It is an amenable number.

115417474021 is a deficient number, since it is larger than the sum of its proper divisors (1).

115417474021 is an equidigital number, since it uses as much as digits as its factorization.

115417474021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 115417474021 in words is "one hundred fifteen billion, four hundred seventeen million, four hundred seventy-four thousand, twenty-one".