25315770002 has 8 divisors (see below), whose sum is σ = 39198611712. Its totient is φ = 12249566100.

The previous prime is 25315769959. The next prime is 25315770017. The reversal of 25315770002 is 20007751352.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204159374 + ... + 204159497.

It is an arithmetic number, because the mean of its divisors is an integer number (4899826464).

Almost surely, 2^25315770002 is an apocalyptic number.

25315770002 is a deficient number, since it is larger than the sum of its proper divisors (13882841710).

25315770002 is a wasteful number, since it uses less digits than its factorization.

25315770002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408318904.

The product of its (nonzero) digits is 14700, while the sum is 32.

The spelling of 25315770002 in words is "twenty-five billion, three hundred fifteen million, seven hundred seventy thousand, two".