42054540411131 has 4 divisors (see below), whose sum is σ = 42152114751264. Its totient is φ = 41956966071000.

The previous prime is 42054540411127. The next prime is 42054540411157. The reversal of 42054540411131 is 13111404545024.

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

It is a cyclic number.

It is not a de Polignac number, because 42054540411131 - 2² = 42054540411127 is a prime.

It is a super-3 number, since 3×42054540411131³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42054540411091 and 42054540411100.

It is not an unprimeable number, because it can be changed into a prime (42054540401131) 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, 48787169420 + ... + 48787170281.

It is an arithmetic number, because the mean of its divisors is an integer number (10538028687816).

Almost surely, 2^{42054540411131} is an apocalyptic number.

42054540411131 is a deficient number, since it is larger than the sum of its proper divisors (97574340133).

42054540411131 is an equidigital number, since it uses as much as digits as its factorization.

42054540411131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97574340132.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 42054540411131 its reverse (13111404545024), we get a palindrome (55165944956155).

The spelling of 42054540411131 in words is "forty-two trillion, fifty-four billion, five hundred forty million, four hundred eleven thousand, one hundred thirty-one".