115144523511 has 8 divisors (see below), whose sum is σ = 154168400640. Its totient is φ = 76441831032.

The previous prime is 115144523497. The next prime is 115144523521. The reversal of 115144523511 is 115325441511.

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

It is not a de Polignac number, because 115144523511 - 2¹⁰ = 115144522487 is a prime.

It is a super-2 number, since 2×115144523511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115144523521) 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, 80295325 + ... + 80296758.

It is an arithmetic number, because the mean of its divisors is an integer number (19271050080).

Almost surely, 2^115144523511 is an apocalyptic number.

115144523511 is a deficient number, since it is larger than the sum of its proper divisors (39023877129).

115144523511 is a wasteful number, since it uses less digits than its factorization.

115144523511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160592325.

The product of its digits is 12000, while the sum is 33.

The spelling of 115144523511 in words is "one hundred fifteen billion, one hundred forty-four million, five hundred twenty-three thousand, five hundred eleven".