126161244321450 has 96 divisors (see below), whose sum is σ = 336997207006656. Its totient is φ = 31050500636160.

The previous prime is 126161244321449. The next prime is 126161244321461. The reversal of 126161244321450 is 54123442161621.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8484237 + ... + 18008463.

It is an arithmetic number, because the mean of its divisors is an integer number (3510387572986).

Almost surely, 2^{126161244321450} is an apocalyptic number.

126161244321450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126161244321450 is an abundant number, since it is smaller than the sum of its proper divisors (210835962685206).

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

126161244321450 is a wasteful number, since it uses less digits than its factorization.

126161244321450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531048 (or 9531043 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 126161244321450 in words is "one hundred twenty-six trillion, one hundred sixty-one billion, two hundred forty-four million, three hundred twenty-one thousand, four hundred fifty".