25300728299532 has 54 divisors (see below), whose sum is σ = 68673736449108. Its totient is φ = 7228744665408.

The previous prime is 25300728299519. The next prime is 25300728299533. The reversal of 25300728299532 is 23599282700352.

It is a super-2 number, since 2×25300728299532² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25300728299533) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 121866888 + ... + 122074320.

Almost surely, 2^{25300728299532} is an apocalyptic number.

It is an amenable number.

25300728299532 is an abundant number, since it is smaller than the sum of its proper divisors (43373008149576).

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

25300728299532 is an frugal number, since it uses more digits than its factorization.

25300728299532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414887 (or 207445 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 25300728299532 in words is "twenty-five trillion, three hundred billion, seven hundred twenty-eight million, two hundred ninety-nine thousand, five hundred thirty-two".