116021511 has 8 divisors (see below), whose sum is σ = 171883760. Its totient is φ = 77347656.

The previous prime is 116021501. The next prime is 116021527. The reversal of 116021511 is 115120611.

It is a happy number.

116021511 is a `hidden beast` number, since 11 + 602 + 1 + 51 + 1 = 666.

It is not a de Polignac number, because 116021511 - 2⁹ = 116020999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116021501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148520 + ... + 2148573.

It is an arithmetic number, because the mean of its divisors is an integer number (21485470).

Almost surely, 2^116021511 is an apocalyptic number.

116021511 is a deficient number, since it is larger than the sum of its proper divisors (55862249).

116021511 is an equidigital number, since it uses as much as digits as its factorization.

116021511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297102 (or 4297096 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 116021511 is about 10771.3281910821. The cubic root of 116021511 is about 487.7300405443.

The spelling of 116021511 in words is "one hundred sixteen million, twenty-one thousand, five hundred eleven".