1011998264100 has 72 divisors (see below), whose sum is σ = 2928375884448. Its totient is φ = 269836012800.

The previous prime is 1011998264077. The next prime is 1011998264129. The reversal of 1011998264100 is 14628991101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2564187 + ... + 2932413.

It is an arithmetic number, because the mean of its divisors is an integer number (40671887284).

Almost surely, 2^{1011998264100} is an apocalyptic number.

1011998264100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011998264100 is an abundant number, since it is smaller than the sum of its proper divisors (1916377620348).

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

1011998264100 is a wasteful number, since it uses less digits than its factorization.

1011998264100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377405 (or 377398 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The spelling of 1011998264100 in words is "one trillion, eleven billion, nine hundred ninety-eight million, two hundred sixty-four thousand, one hundred".