125350500400 has 60 divisors (see below), whose sum is σ = 304259357752. Its totient is φ = 49623275520.

The previous prime is 125350500349. The next prime is 125350500409. The reversal of 125350500400 is 4005053521.

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

It is not an unprimeable number, because it can be changed into a prime (125350500409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1576542 + ... + 1654141.

Almost surely, 2^125350500400 is an apocalyptic number.

125350500400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125350500400 is an abundant number, since it is smaller than the sum of its proper divisors (178908857352).

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

125350500400 is a wasteful number, since it uses less digits than its factorization.

125350500400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230798 (or 3230787 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 125350500400 its reverse (4005053521), we get a palindrome (129355553921).

The spelling of 125350500400 in words is "one hundred twenty-five billion, three hundred fifty million, five hundred thousand, four hundred".