116538151 has 4 divisors (see below), whose sum is σ = 116560072. Its totient is φ = 116516232.

The previous prime is 116538133. The next prime is 116538187. The reversal of 116538151 is 151835611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151835611 = 277 ⋅548143.

It is a cyclic number.

It is not a de Polignac number, because 116538151 - 2⁵ = 116538119 is a prime.

It is a super-2 number, since 2×116538151² = 27162281276997602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116538101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2641 + ... + 15493.

It is an arithmetic number, because the mean of its divisors is an integer number (29140018).

Almost surely, 2^116538151 is an apocalyptic number.

116538151 is a deficient number, since it is larger than the sum of its proper divisors (21921).

116538151 is an equidigital number, since it uses as much as digits as its factorization.

116538151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920.

The product of its digits is 3600, while the sum is 31.

The square root of 116538151 is about 10795.2837387444. The cubic root of 116538151 is about 488.4529172697.

The spelling of 116538151 in words is "one hundred sixteen million, five hundred thirty-eight thousand, one hundred fifty-one".