115011650251 has 4 divisors (see below), whose sum is σ = 115013234232. Its totient is φ = 115010066272.

The previous prime is 115011650227. The next prime is 115011650279. The reversal of 115011650251 is 152056110511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115011650251 - 2⁷ = 115011650123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115011650291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677566 + ... + 830131.

It is an arithmetic number, because the mean of its divisors is an integer number (28753308558).

Almost surely, 2^115011650251 is an apocalyptic number.

115011650251 is a deficient number, since it is larger than the sum of its proper divisors (1583981).

115011650251 is an equidigital number, since it uses as much as digits as its factorization.

115011650251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583980.

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 115011650251 its reverse (152056110511), we get a palindrome (267067760762).

The spelling of 115011650251 in words is "one hundred fifteen billion, eleven million, six hundred fifty thousand, two hundred fifty-one".