115144515102 has 32 divisors (see below), whose sum is σ = 231754277664. Its totient is φ = 38137651200.

The previous prime is 115144515089. The next prime is 115144515127. The reversal of 115144515102 is 201515441511.

It is a super-3 number, since 3×115144515102³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115144515102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278102 + ... + 1365222.

It is an arithmetic number, because the mean of its divisors is an integer number (7242321177).

Almost surely, 2^115144515102 is an apocalyptic number.

115144515102 is an abundant number, since it is smaller than the sum of its proper divisors (116609762562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115144515102 is a wasteful number, since it uses less digits than its factorization.

115144515102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88524.

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 115144515102 its reverse (201515441511), we get a palindrome (316659956613).

The spelling of 115144515102 in words is "one hundred fifteen billion, one hundred forty-four million, five hundred fifteen thousand, one hundred two".