42035531021411 has 4 divisors (see below), whose sum is σ = 42407526871272. Its totient is φ = 41663535171552.

The previous prime is 42035531021399. The next prime is 42035531021413. The reversal of 42035531021411 is 11412013553024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42035531021411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42035531021413) 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, 185997924761 + ... + 185997924986.

It is an arithmetic number, because the mean of its divisors is an integer number (10601881717818).

Almost surely, 2^{42035531021411} is an apocalyptic number.

42035531021411 is a deficient number, since it is larger than the sum of its proper divisors (371995849861).

42035531021411 is a wasteful number, since it uses less digits than its factorization.

42035531021411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371995849860.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 42035531021411 its reverse (11412013553024), we get a palindrome (53447544574435).

The spelling of 42035531021411 in words is "forty-two trillion, thirty-five billion, five hundred thirty-one million, twenty-one thousand, four hundred eleven".