25319113042 has 32 divisors (see below), whose sum is σ = 39987509760. Its totient is φ = 12006783360.

The previous prime is 25319113037. The next prime is 25319113091. The reversal of 25319113042 is 24031191352.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 25319112995 and 25319113013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3390709 + ... + 3398167.

It is an arithmetic number, because the mean of its divisors is an integer number (1249609680).

Almost surely, 2^25319113042 is an apocalyptic number.

25319113042 is a deficient number, since it is larger than the sum of its proper divisors (14668396718).

25319113042 is a wasteful number, since it uses less digits than its factorization.

25319113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8578.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 25319113042 in words is "twenty-five billion, three hundred nineteen million, one hundred thirteen thousand, forty-two".