1115242323545 has 16 divisors (see below), whose sum is σ = 1529497227648. Its totient is φ = 764726572800.

The previous prime is 1115242323499. The next prime is 1115242323551. The reversal of 1115242323545 is 5453232425111.

It is not a de Polignac number, because 1115242323545 - 2⁸ = 1115242323289 is a prime.

It is a super-2 number, since 2×1115242323545² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1115242323499 and 1115242323508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795042 + ... + 3169028.

It is an arithmetic number, because the mean of its divisors is an integer number (95593576728).

Almost surely, 2^{1115242323545} is an apocalyptic number.

It is an amenable number.

1115242323545 is a deficient number, since it is larger than the sum of its proper divisors (414254904103).

1115242323545 is an equidigital number, since it uses as much as digits as its factorization.

1115242323545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459200.

The product of its digits is 144000, while the sum is 38.

Adding to 1115242323545 its reverse (5453232425111), we get a palindrome (6568474748656).

The spelling of 1115242323545 in words is "one trillion, one hundred fifteen billion, two hundred forty-two million, three hundred twenty-three thousand, five hundred forty-five".