25081578931772 has 12 divisors (see below), whose sum is σ = 47883014324376. Its totient is φ = 11400717696240.

The previous prime is 25081578931763. The next prime is 25081578931831. The reversal of 25081578931772 is 27713987518052.

It is a junction number, because it is equal to n+sod(n) for n = 25081578931699 and 25081578931708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285017942363 + ... + 285017942450.

It is an arithmetic number, because the mean of its divisors is an integer number (3990251193698).

Almost surely, 2^{25081578931772} is an apocalyptic number.

25081578931772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25081578931772 is a deficient number, since it is larger than the sum of its proper divisors (22801435392604).

25081578931772 is a wasteful number, since it uses less digits than its factorization.

25081578931772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570035884828 (or 570035884826 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 65.

The spelling of 25081578931772 in words is "twenty-five trillion, eighty-one billion, five hundred seventy-eight million, nine hundred thirty-one thousand, seven hundred seventy-two".