11111053396720 has 40 divisors (see below), whose sum is σ = 25833726709776. Its totient is φ = 4444330595328.

The previous prime is 11111053396697. The next prime is 11111053396759. The reversal of 11111053396720 is 2769335011111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 2594184 + ... + 5380696.

Almost surely, 2^{11111053396720} is an apocalyptic number.

11111053396720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111053396720 is an abundant number, since it is smaller than the sum of its proper divisors (14722673313056).

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

11111053396720 is a wasteful number, since it uses less digits than its factorization.

11111053396720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836369 (or 2836363 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 11111053396720 in words is "eleven trillion, one hundred eleven billion, fifty-three million, three hundred ninety-six thousand, seven hundred twenty".