132561797250 has 64 divisors (see below), whose sum is σ = 333802550016. Its totient is φ = 35036960000.

The previous prime is 132561797227. The next prime is 132561797261. The reversal of 132561797250 is 52797165231.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 132561797250.

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, 697326 + ... + 866825.

It is an arithmetic number, because the mean of its divisors is an integer number (5215664844).

Almost surely, 2^132561797250 is an apocalyptic number.

132561797250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132561797250 is an abundant number, since it is smaller than the sum of its proper divisors (201240752766).

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

132561797250 is a wasteful number, since it uses less digits than its factorization.

132561797250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564284 (or 1564274 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 132561797250 in words is "one hundred thirty-two billion, five hundred sixty-one million, seven hundred ninety-seven thousand, two hundred fifty".