25503437512140 has 192 divisors, whose sum is σ = 81684851189760. Its totient is φ = 5824084654080.

The previous prime is 25503437512121. The next prime is 25503437512153. The reversal of 25503437512140 is 4121573430552.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 25503437512092 and 25503437512101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4029612496 + ... + 4029618824.

It is an arithmetic number, because the mean of its divisors is an integer number (425441933280).

Almost surely, 2^{25503437512140} is an apocalyptic number.

25503437512140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25503437512140 is an abundant number, since it is smaller than the sum of its proper divisors (56181413677620).

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

25503437512140 is a wasteful number, since it uses less digits than its factorization.

25503437512140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512 (or 13510 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 25503437512140 in words is "twenty-five trillion, five hundred three billion, four hundred thirty-seven million, five hundred twelve thousand, one hundred forty".