25503028002780 has 24 divisors (see below), whose sum is σ = 71408478407952. Its totient is φ = 6800807467392.

The previous prime is 25503028002763. The next prime is 25503028002791. The reversal of 25503028002780 is 8720082030552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212525233297 + ... + 212525233416.

It is an arithmetic number, because the mean of its divisors is an integer number (2975353266998).

Almost surely, 2^{25503028002780} is an apocalyptic number.

25503028002780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25503028002780 is an abundant number, since it is smaller than the sum of its proper divisors (45905450405172).

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

25503028002780 is a wasteful number, since it uses less digits than its factorization.

25503028002780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425050466725 (or 425050466723 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 25503028002780 in words is "twenty-five trillion, five hundred three billion, twenty-eight million, two thousand, seven hundred eighty".