5135954621108 has 6 divisors (see below), whose sum is σ = 8987920586946. Its totient is φ = 2567977310552.

The previous prime is 5135954621099. The next prime is 5135954621111. The reversal of 5135954621108 is 8011264595315.

It can be written as a sum of positive squares in only one way, i.e., 4472091431824 + 663863189284 = 2114732^2 + 814778^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641994327635 + ... + 641994327642.

It is an arithmetic number, because the mean of its divisors is an integer number (1497986764491).

Almost surely, 2^{5135954621108} is an apocalyptic number.

It is an amenable number.

5135954621108 is a deficient number, since it is larger than the sum of its proper divisors (3851965965838).

5135954621108 is a wasteful number, since it uses less digits than its factorization.

5135954621108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283988655281 (or 1283988655279 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 5135954621108 in words is "five trillion, one hundred thirty-five billion, nine hundred fifty-four million, six hundred twenty-one thousand, one hundred eight".