1112720051520 has 1344 divisors, whose sum is σ = 5064390501120. Its totient is φ = 227366092800.

The previous prime is 1112720051519. The next prime is 1112720051533. The reversal of 1112720051520 is 251500272111.

1112720051520 is a `hidden beast` number, since 1 + 1 + 127 + 2 + 0 + 0 + 515 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 284072602 + ... + 284076518.

Almost surely, 2^{1112720051520} is an apocalyptic number.

1112720051520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112720051520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532195250560).

1112720051520 is an abundant number, since it is smaller than the sum of its proper divisors (3951670449600).

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

1112720051520 is a wasteful number, since it uses less digits than its factorization.

1112720051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4006 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The spelling of 1112720051520 in words is "one trillion, one hundred twelve billion, seven hundred twenty million, fifty-one thousand, five hundred twenty".