1013378553100 has 18 divisors (see below), whose sum is σ = 2199031460444. Its totient is φ = 405351421200.

The previous prime is 1013378553043. The next prime is 1013378553113. The reversal of 1013378553100 is 13558733101.

It is a happy number.

It is a super-2 number, since 2×1013378553100² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013378553100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5066892666 + ... + 5066892865.

Almost surely, 2^{1013378553100} is an apocalyptic number.

1013378553100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013378553100 is an abundant number, since it is smaller than the sum of its proper divisors (1185652907344).

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

1013378553100 is a wasteful number, since it uses less digits than its factorization.

1013378553100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133785545 (or 10133785538 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 1013378553100 in words is "one trillion, thirteen billion, three hundred seventy-eight million, five hundred fifty-three thousand, one hundred".