126161115400 has 96 divisors (see below), whose sum is σ = 304374804480. Its totient is φ = 48580416000.

The previous prime is 126161115391. The next prime is 126161115419. The reversal of 126161115400 is 4511161621.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130932 + ... + 1237468.

It is an arithmetic number, because the mean of its divisors is an integer number (3170570880).

Almost surely, 2^126161115400 is an apocalyptic number.

126161115400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126161115400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152187402240).

126161115400 is an abundant number, since it is smaller than the sum of its proper divisors (178213689080).

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

126161115400 is a wasteful number, since it uses less digits than its factorization.

126161115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106775 (or 106766 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 126161115400 in words is "one hundred twenty-six billion, one hundred sixty-one million, one hundred fifteen thousand, four hundred".