13135250051421 has 16 divisors (see below), whose sum is σ = 17774696043648. Its totient is φ = 8626518129600.

The previous prime is 13135250051401. The next prime is 13135250051423. The reversal of 13135250051421 is 12415005253131.

It is not a de Polignac number, because 13135250051421 - 2⁵ = 13135250051389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135250051423) 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, 24662890 + ... + 25189851.

It is an arithmetic number, because the mean of its divisors is an integer number (1110918502728).

Almost surely, 2^{13135250051421} is an apocalyptic number.

It is an amenable number.

13135250051421 is a deficient number, since it is larger than the sum of its proper divisors (4639445992227).

13135250051421 is a wasteful number, since it uses less digits than its factorization.

13135250051421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49854052.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 13135250051421 in words is "thirteen trillion, one hundred thirty-five billion, two hundred fifty million, fifty-one thousand, four hundred twenty-one".