42112056100553 has 4 divisors (see below), whose sum is σ = 42394687349700. Its totient is φ = 41829424851408.

The previous prime is 42112056100549. The next prime is 42112056100579. The reversal of 42112056100553 is 35500165021124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22776450811024 + 19335605289529 = 4772468^2 + 4397227^2 .

It is a cyclic number.

It is not a de Polignac number, because 42112056100553 - 2² = 42112056100549 is a prime.

It is a super-2 number, since 2×42112056100553² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42112056109553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141315624350 + ... + 141315624647.

It is an arithmetic number, because the mean of its divisors is an integer number (10598671837425).

Almost surely, 2^{42112056100553} is an apocalyptic number.

It is an amenable number.

42112056100553 is a deficient number, since it is larger than the sum of its proper divisors (282631249147).

42112056100553 is a wasteful number, since it uses less digits than its factorization.

42112056100553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282631249146.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 42112056100553 in words is "forty-two trillion, one hundred twelve billion, fifty-six million, one hundred thousand, five hundred fifty-three".