13425424202511 has 24 divisors (see below), whose sum is σ = 20133546915456. Its totient is φ = 8611497126720.

The previous prime is 13425424202467. The next prime is 13425424202557. The reversal of 13425424202511 is 11520242452431.

13425424202511 is a `hidden beast` number, since 1 + 3 + 4 + 25 + 424 + 202 + 5 + 1 + 1 = 666.

It is not a de Polignac number, because 13425424202511 - 2¹⁰ = 13425424201487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425424202581) 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, 139026300 + ... + 139122833.

It is an arithmetic number, because the mean of its divisors is an integer number (838897788144).

Almost surely, 2^{13425424202511} is an apocalyptic number.

13425424202511 is a deficient number, since it is larger than the sum of its proper divisors (6708122712945).

13425424202511 is a wasteful number, since it uses less digits than its factorization.

13425424202511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278149343 (or 278149340 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 13425424202511 its reverse (11520242452431), we get a palindrome (24945666654942).

The spelling of 13425424202511 in words is "thirteen trillion, four hundred twenty-five billion, four hundred twenty-four million, two hundred two thousand, five hundred eleven".