1115422642531 has 8 divisors (see below), whose sum is σ = 1124322389504. Its totient is φ = 1106524722240.

The previous prime is 1115422642519. The next prime is 1115422642541. The reversal of 1115422642531 is 1352462245111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115422642531 - 2³¹ = 1113275158883 is a prime.

It is a super-2 number, since 2×1115422642531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115422642501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782821 + ... + 1686313.

It is an arithmetic number, because the mean of its divisors is an integer number (140540298688).

Almost surely, 2^{1115422642531} is an apocalyptic number.

1115422642531 is a deficient number, since it is larger than the sum of its proper divisors (8899746973).

1115422642531 is an equidigital number, since it uses as much as digits as its factorization.

1115422642531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913341.

The product of its digits is 57600, while the sum is 37.

Adding to 1115422642531 its reverse (1352462245111), we get a palindrome (2467884887642).

The spelling of 1115422642531 in words is "one trillion, one hundred fifteen billion, four hundred twenty-two million, six hundred forty-two thousand, five hundred thirty-one".