115451403420 has 96 divisors (see below), whose sum is σ = 337441628160. Its totient is φ = 29459105280.

The previous prime is 115451403371. The next prime is 115451403439. The reversal of 115451403420 is 24304154511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183172 + ... + 514251.

It is an arithmetic number, because the mean of its divisors is an integer number (3515016960).

Almost surely, 2^115451403420 is an apocalyptic number.

115451403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115451403420 is an abundant number, since it is smaller than the sum of its proper divisors (221990224740).

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

115451403420 is a wasteful number, since it uses less digits than its factorization.

115451403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697555 (or 697553 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 115451403420 its reverse (24304154511), we get a palindrome (139755557931).

The spelling of 115451403420 in words is "one hundred fifteen billion, four hundred fifty-one million, four hundred three thousand, four hundred twenty".