25111045042 has 8 divisors (see below), whose sum is σ = 37667356956. Its totient is φ = 12555259392.

The previous prime is 25111045027. The next prime is 25111045051. The reversal of 25111045042 is 24054011152.

It can be written as a sum of positive squares in 2 ways, for example, as 19880718001 + 5230327041 = 140999^2 + 72321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25111044998 and 25111045016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24978 + ... + 225490.

Almost surely, 2^25111045042 is an apocalyptic number.

25111045042 is a deficient number, since it is larger than the sum of its proper divisors (12556311914).

25111045042 is a wasteful number, since it uses less digits than its factorization.

25111045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263132.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 25111045042 its reverse (24054011152), we get a palindrome (49165056194).

The spelling of 25111045042 in words is "twenty-five billion, one hundred eleven million, forty-five thousand, forty-two".