1253835861108 has 24 divisors (see below), whose sum is σ = 2925642548640. Its totient is φ = 417941638560.

The previous prime is 1253835861043. The next prime is 1253835861119. The reversal of 1253835861108 is 8011685383521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223178 + ... + 2000958.

It is an arithmetic number, because the mean of its divisors is an integer number (121901772860).

Almost surely, 2^{1253835861108} is an apocalyptic number.

It is an amenable number.

1253835861108 is an abundant number, since it is smaller than the sum of its proper divisors (1671806687532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253835861108 is a wasteful number, since it uses less digits than its factorization.

1253835861108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912127 (or 912125 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 1253835861108 in words is "one trillion, two hundred fifty-three billion, eight hundred thirty-five million, eight hundred sixty-one thousand, one hundred eight".