115641051 has 4 divisors (see below), whose sum is σ = 154188072. Its totient is φ = 77094032.

The previous prime is 115641017. The next prime is 115641059. The reversal of 115641051 is 150146511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150146511 = 3 ⋅50048837.

It is a cyclic number.

It is not a de Polignac number, because 115641051 - 2²⁵ = 82086619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115641059) 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, 19273506 + ... + 19273511.

It is an arithmetic number, because the mean of its divisors is an integer number (38547018).

Almost surely, 2^115641051 is an apocalyptic number.

115641051 is a deficient number, since it is larger than the sum of its proper divisors (38547021).

115641051 is an equidigital number, since it uses as much as digits as its factorization.

115641051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38547020.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 115641051 is about 10753.6529142427. The cubic root of 115641051 is about 487.1963321180.

Adding to 115641051 its reverse (150146511), we get a palindrome (265787562).

The spelling of 115641051 in words is "one hundred fifteen million, six hundred forty-one thousand, fifty-one".