25045351611 has 16 divisors (see below), whose sum is σ = 38464856064. Its totient is φ = 14198937984.

The previous prime is 25045351537. The next prime is 25045351621. The reversal of 25045351611 is 11615354052.

It is not a de Polignac number, because 25045351611 - 2¹⁰ = 25045350587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25045351621) 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, 4692750 + ... + 4698083.

It is an arithmetic number, because the mean of its divisors is an integer number (2404053504).

Almost surely, 2^25045351611 is an apocalyptic number.

25045351611 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25045351611 is a deficient number, since it is larger than the sum of its proper divisors (13419504453).

25045351611 is a wasteful number, since it uses less digits than its factorization.

25045351611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390970.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 25045351611 in words is "twenty-five billion, forty-five million, three hundred fifty-one thousand, six hundred eleven".