25315600030 has 32 divisors (see below), whose sum is σ = 52138696896. Its totient is φ = 8669485824.

The previous prime is 25315599983. The next prime is 25315600033. The reversal of 25315600030 is 3000651352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25315599968 and 25315600004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25315600033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151009 + ... + 270988.

It is an arithmetic number, because the mean of its divisors is an integer number (1629334278).

Almost surely, 2^25315600030 is an apocalyptic number.

25315600030 is an abundant number, since it is smaller than the sum of its proper divisors (26823096866).

25315600030 is a wasteful number, since it uses less digits than its factorization.

25315600030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422868.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 25315600030 in words is "twenty-five billion, three hundred fifteen million, six hundred thousand, thirty".