115651571101 has 4 divisors (see below), whose sum is σ = 126165350304. Its totient is φ = 105137791900.

The previous prime is 115651571089. The next prime is 115651571141. The reversal of 115651571101 is 101175156511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115651571101 - 2⁹ = 115651570589 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 (115651571141) 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, 5256889585 + ... + 5256889606.

It is an arithmetic number, because the mean of its divisors is an integer number (31541337576).

Almost surely, 2^115651571101 is an apocalyptic number.

115651571101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115651571101 is a deficient number, since it is larger than the sum of its proper divisors (10513779203).

115651571101 is a wasteful number, since it uses less digits than its factorization.

115651571101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513779202.

The product of its (nonzero) digits is 5250, while the sum is 34.

The spelling of 115651571101 in words is "one hundred fifteen billion, six hundred fifty-one million, five hundred seventy-one thousand, one hundred one".