25353082881 has 24 divisors (see below), whose sum is σ = 41858928384. Its totient is φ = 14485322880.

The previous prime is 25353082829. The next prime is 25353082903. The reversal of 25353082881 is 18828035352.

25353082881 is a `hidden beast` number, since 2 + 535 + 30 + 8 + 2 + 8 + 81 = 666.

It is not a de Polignac number, because 25353082881 - 2¹⁰ = 25353081857 is a prime.

It is a super-2 number, since 2×25353082881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25353082081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460761 + ... + 512841.

It is an arithmetic number, because the mean of its divisors is an integer number (1744122016).

Almost surely, 2^25353082881 is an apocalyptic number.

25353082881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25353082881 is a deficient number, since it is larger than the sum of its proper divisors (16505845503).

25353082881 is a wasteful number, since it uses less digits than its factorization.

25353082881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59821 (or 59818 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 25353082881 in words is "twenty-five billion, three hundred fifty-three million, eighty-two thousand, eight hundred eighty-one".