42213531412155 has 16 divisors (see below), whose sum is σ = 67542125640480. Its totient is φ = 22513724959488.

The previous prime is 42213531412127. The next prime is 42213531412159. The reversal of 42213531412155 is 55121413531224.

It is not a de Polignac number, because 42213531412155 - 2⁷ = 42213531412027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42213531412159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7685520 + ... + 11978909.

It is an arithmetic number, because the mean of its divisors is an integer number (4221382852530).

Almost surely, 2^{42213531412155} is an apocalyptic number.

42213531412155 is a deficient number, since it is larger than the sum of its proper divisors (25328594228325).

42213531412155 is a wasteful number, since it uses less digits than its factorization.

42213531412155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19807550.

The product of its digits is 144000, while the sum is 39.

Adding to 42213531412155 its reverse (55121413531224), we get a palindrome (97334944943379).

The spelling of 42213531412155 in words is "forty-two trillion, two hundred thirteen billion, five hundred thirty-one million, four hundred twelve thousand, one hundred fifty-five".