42311045542155 has 32 divisors (see below), whose sum is σ = 72905596470336. Its totient is φ = 20829935960064.

The previous prime is 42311045542141. The next prime is 42311045542189. The reversal of 42311045542155 is 55124554011324.

It is not a de Polignac number, because 42311045542155 - 2⁷ = 42311045542027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41584779 + ... + 42590091.

It is an arithmetic number, because the mean of its divisors is an integer number (2278299889698).

Almost surely, 2^{42311045542155} is an apocalyptic number.

42311045542155 is a deficient number, since it is larger than the sum of its proper divisors (30594550928181).

42311045542155 is a wasteful number, since it uses less digits than its factorization.

42311045542155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221167.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 42311045542155 its reverse (55124554011324), we get a palindrome (97435599553479).

The spelling of 42311045542155 in words is "forty-two trillion, three hundred eleven billion, forty-five million, five hundred forty-two thousand, one hundred fifty-five".