25213143881511 has 12 divisors (see below), whose sum is σ = 36419045761800. Its totient is φ = 16808734823760.

The previous prime is 25213143881503. The next prime is 25213143881557. The reversal of 25213143881511 is 11518834131252.

25213143881511 is a `hidden beast` number, since 2 + 5 + 2 + 13 + 1 + 43 + 8 + 81 + 511 = 666.

It is not a de Polignac number, because 25213143881511 - 2³ = 25213143881503 is a prime.

It is a super-3 number, since 3×25213143881511³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213143881591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4491181 + ... + 8402201.

It is an arithmetic number, because the mean of its divisors is an integer number (3034920480150).

Almost surely, 2^{25213143881511} is an apocalyptic number.

25213143881511 is a deficient number, since it is larger than the sum of its proper divisors (11205901880289).

25213143881511 is a wasteful number, since it uses less digits than its factorization.

25213143881511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627326 (or 4627323 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The spelling of 25213143881511 in words is "twenty-five trillion, two hundred thirteen billion, one hundred forty-three million, eight hundred eighty-one thousand, five hundred eleven".