25337982505 has 8 divisors (see below), whose sum is σ = 33169722624. Its totient is φ = 18427623600.

The previous prime is 25337982487. The next prime is 25337982541. The reversal of 25337982505 is 50528973352.

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

It is not a de Polignac number, because 25337982505 - 2²³ = 25329593897 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, 230345241 + ... + 230345350.

It is an arithmetic number, because the mean of its divisors is an integer number (4146215328).

Almost surely, 2^25337982505 is an apocalyptic number.

It is an amenable number.

25337982505 is a deficient number, since it is larger than the sum of its proper divisors (7831740119).

25337982505 is a wasteful number, since it uses less digits than its factorization.

25337982505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460690607.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 25337982505 in words is "twenty-five billion, three hundred thirty-seven million, nine hundred eighty-two thousand, five hundred five".