115401204555 has 64 divisors (see below), whose sum is σ = 227301043200. Its totient is φ = 48686178816.

The previous prime is 115401204547. The next prime is 115401204563. The reversal of 115401204555 is 555402104511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115401204547) and next prime (115401204563).

It is not a de Polignac number, because 115401204555 - 2³ = 115401204547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12339021 + ... + 12348369.

It is an arithmetic number, because the mean of its divisors is an integer number (3551578800).

Almost surely, 2^115401204555 is an apocalyptic number.

115401204555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115401204555 is a deficient number, since it is larger than the sum of its proper divisors (111899838645).

115401204555 is a wasteful number, since it uses less digits than its factorization.

115401204555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18420.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 115401204555 in words is "one hundred fifteen billion, four hundred one million, two hundred four thousand, five hundred fifty-five".