115430054121 has 6 divisors (see below), whose sum is σ = 166732300410. Its totient is φ = 76953369408.

The previous prime is 115430054017. The next prime is 115430054137. The reversal of 115430054121 is 121450034511.

115430054121 is a `hidden beast` number, since 115 + 4 + 3 + 0 + 0 + 541 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68269851225 + 47160202896 = 261285^2 + 217164^2 .

It is not a de Polignac number, because 115430054121 - 2¹⁸ = 115429791977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115430054221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6412780776 + ... + 6412780793.

It is an arithmetic number, because the mean of its divisors is an integer number (27788716735).

Almost surely, 2^115430054121 is an apocalyptic number.

It is an amenable number.

115430054121 is a deficient number, since it is larger than the sum of its proper divisors (51302246289).

115430054121 is a wasteful number, since it uses less digits than its factorization.

115430054121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12825561575 (or 12825561572 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 115430054121 its reverse (121450034511), we get a palindrome (236880088632).

The spelling of 115430054121 in words is "one hundred fifteen billion, four hundred thirty million, fifty-four thousand, one hundred twenty-one".