25781468037 has 16 divisors (see below), whose sum is σ = 37626425088. Its totient is φ = 15605426880.

The previous prime is 25781467991. The next prime is 25781468047. The reversal of 25781468037 is 73086418752.

It is not a de Polignac number, because 25781468037 - 2⁷ = 25781467909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25781468047) 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, 5416173 + ... + 5420930.

It is an arithmetic number, because the mean of its divisors is an integer number (2351651568).

Almost surely, 2^25781468037 is an apocalyptic number.

It is an amenable number.

25781468037 is a deficient number, since it is larger than the sum of its proper divisors (11844957051).

25781468037 is a wasteful number, since it uses less digits than its factorization.

25781468037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837180.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 25781468037 in words is "twenty-five billion, seven hundred eighty-one million, four hundred sixty-eight thousand, thirty-seven".