112540161021 has 8 divisors (see below), whose sum is σ = 153543165600. Its totient is φ = 73281965232.

The previous prime is 112540160959. The next prime is 112540161101. The reversal of 112540161021 is 120161045211.

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

It is not a de Polignac number, because 112540161021 - 2¹⁴ = 112540144637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112540160982 and 112540161000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112540166021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436202046 + ... + 436202303.

It is an arithmetic number, because the mean of its divisors is an integer number (19192895700).

Almost surely, 2^112540161021 is an apocalyptic number.

It is an amenable number.

112540161021 is a deficient number, since it is larger than the sum of its proper divisors (41003004579).

112540161021 is an equidigital number, since it uses as much as digits as its factorization.

112540161021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872404395.

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 112540161021 in words is "one hundred twelve billion, five hundred forty million, one hundred sixty-one thousand, twenty-one".