1113520065251 has 8 divisors (see below), whose sum is σ = 1216586914608. Its totient is φ = 1010759508000.

The previous prime is 1113520065233. The next prime is 1113520065277. The reversal of 1113520065251 is 1525600253111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1113520065251 - 2¹⁸ = 1113519803107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113520065211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76565420 + ... + 76579961.

It is an arithmetic number, because the mean of its divisors is an integer number (152073364326).

Almost surely, 2^{1113520065251} is an apocalyptic number.

1113520065251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113520065251 is a deficient number, since it is larger than the sum of its proper divisors (103066849357).

1113520065251 is a wasteful number, since it uses less digits than its factorization.

1113520065251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153146053.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1113520065251 in words is "one trillion, one hundred thirteen billion, five hundred twenty million, sixty-five thousand, two hundred fifty-one".