115662305421 has 24 divisors (see below), whose sum is σ = 189388573920. Its totient is φ = 67430654496.

The previous prime is 115662305419. The next prime is 115662305443. The reversal of 115662305421 is 124503266511.

115662305421 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 623 + 0 + 5 + 4 + 21 = 666.

It is not a de Polignac number, because 115662305421 - 2¹ = 115662305419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115662305491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26012691 + ... + 26017136.

It is an arithmetic number, because the mean of its divisors is an integer number (7891190580).

Almost surely, 2^115662305421 is an apocalyptic number.

It is an amenable number.

115662305421 is a deficient number, since it is larger than the sum of its proper divisors (73726268499).

115662305421 is a wasteful number, since it uses less digits than its factorization.

115662305421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52029865 (or 52029862 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 115662305421 in words is "one hundred fifteen billion, six hundred sixty-two million, three hundred five thousand, four hundred twenty-one".