116133356421 has 36 divisors (see below), whose sum is σ = 175247016672. Its totient is φ = 76854093408.

The previous prime is 116133356389. The next prime is 116133356429. The reversal of 116133356421 is 124653331611.

116133356421 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 3 + 3 + 3 + 5 + 642 + 1 = 666.

It is not a de Polignac number, because 116133356421 - 2⁵ = 116133356389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116133356429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4548136 + ... + 4573598.

Almost surely, 2^116133356421 is an apocalyptic number.

It is an amenable number.

116133356421 is a deficient number, since it is larger than the sum of its proper divisors (59113660251).

116133356421 is an frugal number, since it uses more digits than its factorization.

116133356421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25752 (or 25603 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 116133356421 in words is "one hundred sixteen billion, one hundred thirty-three million, three hundred fifty-six thousand, four hundred twenty-one".