25362112978 has 8 divisors (see below), whose sum is σ = 38255701680. Its totient is φ = 12610212420.

The previous prime is 25362112943. The next prime is 25362113011. The reversal of 25362112978 is 87921126352.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35421588 + ... + 35422303.

It is an arithmetic number, because the mean of its divisors is an integer number (4781962710).

Almost surely, 2^25362112978 is an apocalyptic number.

25362112978 is a deficient number, since it is larger than the sum of its proper divisors (12893588702).

25362112978 is a wasteful number, since it uses less digits than its factorization.

25362112978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70844072.

The product of its digits is 362880, while the sum is 46.

The spelling of 25362112978 in words is "twenty-five billion, three hundred sixty-two million, one hundred twelve thousand, nine hundred seventy-eight".