115155454423020 has 48 divisors (see below), whose sum is σ = 351747569875968. Its totient is φ = 27916473799360.

The previous prime is 115155454423007. The next prime is 115155454423033. The reversal of 115155454423020 is 20324454551511.

It is an interprime number because it is at equal distance from previous prime (115155454423007) and next prime (115155454423033).

It is a super-2 number, since 2×115155454423020² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87238979964 + ... + 87238981283.

It is an arithmetic number, because the mean of its divisors is an integer number (7328074372416).

Almost surely, 2^{115155454423020} is an apocalyptic number.

115155454423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115155454423020 is an abundant number, since it is smaller than the sum of its proper divisors (236592115452948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115155454423020 is a wasteful number, since it uses less digits than its factorization.

115155454423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174477961270 (or 174477961268 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 115155454423020 in words is "one hundred fifteen trillion, one hundred fifty-five billion, four hundred fifty-four million, four hundred twenty-three thousand, twenty".