42315020502261 has 32 divisors (see below), whose sum is σ = 63793340338560. Its totient is φ = 24766826160384.

The previous prime is 42315020502233. The next prime is 42315020502263. The reversal of 42315020502261 is 16220502051324.

It is a happy number.

42315020502261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42315020502261 - 2⁵ = 42315020502229 is a prime.

It is a super-2 number, since 2×42315020502261² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315020502263) 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 31 ways as a sum of consecutive naturals, for example, 279131770 + ... + 279283323.

It is an arithmetic number, because the mean of its divisors is an integer number (1993541885580).

Almost surely, 2^{42315020502261} is an apocalyptic number.

It is an amenable number.

42315020502261 is a deficient number, since it is larger than the sum of its proper divisors (21478319836299).

42315020502261 is a wasteful number, since it uses less digits than its factorization.

42315020502261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558415205.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 42315020502261 its reverse (16220502051324), we get a palindrome (58535522553585).

The spelling of 42315020502261 in words is "forty-two trillion, three hundred fifteen billion, twenty million, five hundred two thousand, two hundred sixty-one".