115156551 has 16 divisors (see below), whose sum is σ = 156140000. Its totient is φ = 75479040.

The previous prime is 115156523. The next prime is 115156553. The reversal of 115156551 is 155651511.

It is not a de Polignac number, because 115156551 - 2¹³ = 115148359 is a prime.

It is a super-2 number, since 2×115156551² = 26522062476431202, 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 (115156553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91575 + ... + 92823.

It is an arithmetic number, because the mean of its divisors is an integer number (9758750).

Almost surely, 2^115156551 is an apocalyptic number.

115156551 is a deficient number, since it is larger than the sum of its proper divisors (40983449).

115156551 is a wasteful number, since it uses less digits than its factorization.

115156551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its digits is 3750, while the sum is 30.

The square root of 115156551 is about 10731.1020403312. The cubic root of 115156551 is about 486.5149793623.

The spelling of 115156551 in words is "one hundred fifteen million, one hundred fifty-six thousand, five hundred fifty-one".