125551113200 has 60 divisors (see below), whose sum is σ = 319379893200. Its totient is φ = 47266298880.

The previous prime is 125551113187. The next prime is 125551113203. The reversal of 125551113200 is 2311155521.

It is a self number, because there is not a number n which added to its sum of digits gives 125551113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125551113203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9224900 + ... + 9238499.

It is an arithmetic number, because the mean of its divisors is an integer number (5322998220).

Almost surely, 2^125551113200 is an apocalyptic number.

125551113200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125551113200 is an abundant number, since it is smaller than the sum of its proper divisors (193828780000).

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

125551113200 is a wasteful number, since it uses less digits than its factorization.

125551113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18463434 (or 18463423 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 125551113200 its reverse (2311155521), we get a palindrome (127862268721).

The spelling of 125551113200 in words is "one hundred twenty-five billion, five hundred fifty-one million, one hundred thirteen thousand, two hundred".