1115122132572 has 24 divisors (see below), whose sum is σ = 2973659020416. Its totient is φ = 318606323568.

The previous prime is 1115122132549. The next prime is 1115122132601. The reversal of 1115122132572 is 2752312215111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6637631658 + ... + 6637631825.

It is an arithmetic number, because the mean of its divisors is an integer number (123902459184).

Almost surely, 2^{1115122132572} is an apocalyptic number.

1115122132572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115122132572 is an abundant number, since it is smaller than the sum of its proper divisors (1858536887844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115122132572 is a wasteful number, since it uses less digits than its factorization.

1115122132572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275263497 (or 13275263495 counting only the distinct ones).

The product of its digits is 8400, while the sum is 33.

Adding to 1115122132572 its reverse (2752312215111), we get a palindrome (3867434347683).

The spelling of 1115122132572 in words is "one trillion, one hundred fifteen billion, one hundred twenty-two million, one hundred thirty-two thousand, five hundred seventy-two".