115563651 has 8 divisors (see below), whose sum is σ = 176097024. Its totient is φ = 66036360.

The previous prime is 115563619. The next prime is 115563667. The reversal of 115563651 is 156365511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115563651 - 2⁵ = 115563619 is a prime.

It is a super-3 number, since 3×115563651³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (115563601) 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, 2751495 + ... + 2751536.

It is an arithmetic number, because the mean of its divisors is an integer number (22012128).

Almost surely, 2^115563651 is an apocalyptic number.

115563651 is a deficient number, since it is larger than the sum of its proper divisors (60533373).

115563651 is an equidigital number, since it uses as much as digits as its factorization.

115563651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503041.

The product of its digits is 13500, while the sum is 33.

The square root of 115563651 is about 10750.0535347504. The cubic root of 115563651 is about 487.0876123282.

The spelling of 115563651 in words is "one hundred fifteen million, five hundred sixty-three thousand, six hundred fifty-one".