25065501338 has 16 divisors (see below), whose sum is σ = 39876126336. Its totient is φ = 11791325040.

The previous prime is 25065501337. The next prime is 25065501341. The reversal of 25065501338 is 83310556052.

It is not an unprimeable number, because it can be changed into a prime (25065501337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4463606 + ... + 4469217.

It is an arithmetic number, because the mean of its divisors is an integer number (2492257896).

Almost surely, 2^25065501338 is an apocalyptic number.

25065501338 is a deficient number, since it is larger than the sum of its proper divisors (14810624998).

25065501338 is a wasteful number, since it uses less digits than its factorization.

25065501338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932909.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 25065501338 in words is "twenty-five billion, sixty-five million, five hundred one thousand, three hundred thirty-eight".