25361121732 has 24 divisors (see below), whose sum is σ = 59188416000. Its totient is φ = 8451926496.

The previous prime is 25361121727. The next prime is 25361121733. The reversal of 25361121732 is 23712116352.

It is a junction number, because it is equal to n+sod(n) for n = 25361121693 and 25361121702.

It is not an unprimeable number, because it can be changed into a prime (25361121733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162607 + ... + 277782.

It is an arithmetic number, because the mean of its divisors is an integer number (2466184000).

Almost surely, 2^25361121732 is an apocalyptic number.

It is an amenable number.

25361121732 is an abundant number, since it is smaller than the sum of its proper divisors (33827294268).

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

25361121732 is a wasteful number, since it uses less digits than its factorization.

25361121732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445195 (or 445193 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The spelling of 25361121732 in words is "twenty-five billion, three hundred sixty-one million, one hundred twenty-one thousand, seven hundred thirty-two".