115161506103 has 16 divisors (see below), whose sum is σ = 176237358336. Its totient is φ = 65524140480.

The previous prime is 115161506099. The next prime is 115161506137. The reversal of 115161506103 is 301605161511.

It is not a de Polignac number, because 115161506103 - 2² = 115161506099 is a prime.

It is a super-2 number, since 2×115161506103² (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 (115161506153) 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, 11763093 + ... + 11772878.

It is an arithmetic number, because the mean of its divisors is an integer number (11014834896).

Almost surely, 2^115161506103 is an apocalyptic number.

115161506103 is a deficient number, since it is larger than the sum of its proper divisors (61075852233).

115161506103 is a wasteful number, since it uses less digits than its factorization.

115161506103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23536214.

The product of its (nonzero) digits is 2700, while the sum is 30.

Adding to 115161506103 its reverse (301605161511), we get a palindrome (416766667614).

The spelling of 115161506103 in words is "one hundred fifteen billion, one hundred sixty-one million, five hundred six thousand, one hundred three".