1025125525200 has 120 divisors (see below), whose sum is σ = 3752935763008. Its totient is φ = 234314403840.

The previous prime is 1025125525187. The next prime is 1025125525201. The reversal of 1025125525200 is 25255215201.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025125525201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61010977 + ... + 61027776.

Almost surely, 2^{1025125525200} is an apocalyptic number.

1025125525200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025125525200 is an abundant number, since it is smaller than the sum of its proper divisors (2727810237808).

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

1025125525200 is a wasteful number, since it uses less digits than its factorization.

1025125525200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122038781 (or 122038770 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 1025125525200 in words is "one trillion, twenty-five billion, one hundred twenty-five million, five hundred twenty-five thousand, two hundred".