115251232511123 has 4 divisors (see below), whose sum is σ = 118062238182168. Its totient is φ = 112440226840080.

The previous prime is 115251232511119. The next prime is 115251232511141. The reversal of 115251232511123 is 321115232152511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115251232511123 - 2² = 115251232511119 is a prime.

It is a super-2 number, since 2×115251232511123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115251232511113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405502835461 + ... + 1405502835542.

It is an arithmetic number, because the mean of its divisors is an integer number (29515559545542).

Almost surely, 2^{115251232511123} is an apocalyptic number.

115251232511123 is a deficient number, since it is larger than the sum of its proper divisors (2811005671045).

115251232511123 is an equidigital number, since it uses as much as digits as its factorization.

115251232511123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811005671044.

The product of its digits is 18000, while the sum is 35.

Adding to 115251232511123 its reverse (321115232152511), we get a palindrome (436366464663634).

The spelling of 115251232511123 in words is "one hundred fifteen trillion, two hundred fifty-one billion, two hundred thirty-two million, five hundred eleven thousand, one hundred twenty-three".