125551012300 has 36 divisors (see below), whose sum is σ = 311366512240. Its totient is φ = 43046061120.

The previous prime is 125551012291. The next prime is 125551012319. The reversal of 125551012300 is 3210155521.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 89678595 + ... + 89679994.

Almost surely, 2^125551012300 is an apocalyptic number.

125551012300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125551012300 is an abundant number, since it is smaller than the sum of its proper divisors (185815499940).

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

125551012300 is a wasteful number, since it uses less digits than its factorization.

125551012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179358610 (or 179358603 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 125551012300 its reverse (3210155521), we get a palindrome (128761167821).

The spelling of 125551012300 in words is "one hundred twenty-five billion, five hundred fifty-one million, twelve thousand, three hundred".