42263025124521 has 16 divisors (see below), whose sum is σ = 58335200409600. Its totient is φ = 27184479049728.

The previous prime is 42263025124499. The next prime is 42263025124547. The reversal of 42263025124521 is 12542152036224.

It is not a de Polignac number, because 42263025124521 - 2⁹ = 42263025124009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42263025124521.

It is not an unprimeable number, because it can be changed into a prime (42263025124591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172262761 + ... + 172507926.

It is an arithmetic number, because the mean of its divisors is an integer number (3645950025600).

Almost surely, 2^{42263025124521} is an apocalyptic number.

It is an amenable number.

42263025124521 is a deficient number, since it is larger than the sum of its proper divisors (16072175285079).

42263025124521 is a wasteful number, since it uses less digits than its factorization.

42263025124521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344772128.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 42263025124521 in words is "forty-two trillion, two hundred sixty-three billion, twenty-five million, one hundred twenty-four thousand, five hundred twenty-one".