25573109315 has 8 divisors (see below), whose sum is σ = 33048325968. Its totient is φ = 18884757600.

The previous prime is 25573109267. The next prime is 25573109347. The reversal of 25573109315 is 51390137552.

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

It is not a de Polignac number, because 25573109315 - 2¹⁰ = 25573108291 is a prime.

It is a Duffinian 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, 196716161 + ... + 196716290.

It is an arithmetic number, because the mean of its divisors is an integer number (4131040746).

Almost surely, 2^25573109315 is an apocalyptic number.

25573109315 is a deficient number, since it is larger than the sum of its proper divisors (7475216653).

25573109315 is a wasteful number, since it uses less digits than its factorization.

25573109315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393432469.

The product of its (nonzero) digits is 141750, while the sum is 41.

The spelling of 25573109315 in words is "twenty-five billion, five hundred seventy-three million, one hundred nine thousand, three hundred fifteen".