25505741190 has 64 divisors (see below), whose sum is σ = 61862061312. Its totient is φ = 6729878400.

The previous prime is 25505741167. The next prime is 25505741203. The reversal of 25505741190 is 9114750552.

It is a super-2 number, since 2×25505741190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1083445 + ... + 1106735.

It is an arithmetic number, because the mean of its divisors is an integer number (966594708).

Almost surely, 2^25505741190 is an apocalyptic number.

25505741190 is an abundant number, since it is smaller than the sum of its proper divisors (36356320122).

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

25505741190 is a wasteful number, since it uses less digits than its factorization.

25505741190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23685.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 25505741190 in words is "twenty-five billion, five hundred five million, seven hundred forty-one thousand, one hundred ninety".