125443264450 has 24 divisors (see below), whose sum is σ = 266656540032. Its totient is φ = 43009119120.

The previous prime is 125443264393. The next prime is 125443264481. The reversal of 125443264450 is 54462344521.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179204314 + ... + 179205013.

It is an arithmetic number, because the mean of its divisors is an integer number (11110689168).

Almost surely, 2^125443264450 is an apocalyptic number.

125443264450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125443264450 is an abundant number, since it is smaller than the sum of its proper divisors (141213275582).

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

125443264450 is a wasteful number, since it uses less digits than its factorization.

125443264450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358409346 (or 358409341 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 125443264450 in words is "one hundred twenty-five billion, four hundred forty-three million, two hundred sixty-four thousand, four hundred fifty".