115155222204125 has 8 divisors (see below), whose sum is σ = 143713717310904. Its totient is φ = 92124177763200.

The previous prime is 115155222204073. The next prime is 115155222204173. The reversal of 115155222204125 is 521402222551511.

It can be written as a sum of positive squares in 4 ways, for example, as 13501975204 + 115141720228921 = 116198^2 + 10730411^2 .

It is not a de Polignac number, because 115155222204125 - 2²⁸ = 115154953768669 is a prime.

It is a super-5 number, since 5×115155222204125⁵ (a number of 72 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460620888692 + ... + 460620888941.

It is an arithmetic number, because the mean of its divisors is an integer number (17964214663863).

Almost surely, 2^{115155222204125} is an apocalyptic number.

It is an amenable number.

115155222204125 is a deficient number, since it is larger than the sum of its proper divisors (28558495106779).

115155222204125 is an frugal number, since it uses more digits than its factorization.

115155222204125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921241777648 (or 921241777638 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 38.

Adding to 115155222204125 its reverse (521402222551511), we get a palindrome (636557444755636).

The spelling of 115155222204125 in words is "one hundred fifteen trillion, one hundred fifty-five billion, two hundred twenty-two million, two hundred four thousand, one hundred twenty-five".