25135182065949 has 32 divisors (see below), whose sum is σ = 34047179435520. Its totient is φ = 16492057762752.

The previous prime is 25135182065947. The next prime is 25135182065977. The reversal of 25135182065949 is 94956028153152.

It is not a de Polignac number, because 25135182065949 - 2¹ = 25135182065947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25135182065892 and 25135182065901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135182065947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389183742 + ... + 389248320.

It is an arithmetic number, because the mean of its divisors is an integer number (1063974357360).

Almost surely, 2^{25135182065949} is an apocalyptic number.

It is an amenable number.

25135182065949 is a deficient number, since it is larger than the sum of its proper divisors (8911997369571).

25135182065949 is a wasteful number, since it uses less digits than its factorization.

25135182065949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72569.

The product of its (nonzero) digits is 23328000, while the sum is 60.

The spelling of 25135182065949 in words is "twenty-five trillion, one hundred thirty-five billion, one hundred eighty-two million, sixty-five thousand, nine hundred forty-nine".