25290072085 has 8 divisors (see below), whose sum is σ = 30484177920. Its totient is φ = 20141330064.

The previous prime is 25290072013. The next prime is 25290072091. The reversal of 25290072085 is 58027009252.

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

It is a cyclic number.

It is not a de Polignac number, because 25290072085 - 2¹⁵ = 25290039317 is a prime.

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, 11339725 + ... + 11341954.

It is an arithmetic number, because the mean of its divisors is an integer number (3810522240).

Almost surely, 2^25290072085 is an apocalyptic number.

It is an amenable number.

25290072085 is a deficient number, since it is larger than the sum of its proper divisors (5194105835).

25290072085 is a wasteful number, since it uses less digits than its factorization.

25290072085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22681907.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 25290072085 in words is "twenty-five billion, two hundred ninety million, seventy-two thousand, eighty-five".