25112533045 has 8 divisors (see below), whose sum is σ = 30242283480. Its totient is φ = 20018530560.

The previous prime is 25112533013. The next prime is 25112533067. The reversal of 25112533045 is 54033521152.

It can be written as a sum of positive squares in 4 ways, for example, as 4425176484 + 20687356561 = 66522^2 + 143831^2 .

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

It is not a de Polignac number, because 25112533045 - 2⁵ = 25112533013 is a prime.

It is a super-3 number, since 3×25112533045³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25112532998 and 25112533016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8935440 + ... + 8938249.

It is an arithmetic number, because the mean of its divisors is an integer number (3780285435).

Almost surely, 2^25112533045 is an apocalyptic number.

It is an amenable number.

25112533045 is a deficient number, since it is larger than the sum of its proper divisors (5129750435).

25112533045 is a wasteful number, since it uses less digits than its factorization.

25112533045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17873975.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 25112533045 in words is "twenty-five billion, one hundred twelve million, five hundred thirty-three thousand, forty-five".