1115644222088 has 48 divisors (see below), whose sum is σ = 2408426181360. Its totient is φ = 480420943200.

The previous prime is 1115644222067. The next prime is 1115644222109. The reversal of 1115644222088 is 8802224465111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1115644222067) and next prime (1115644222109).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17527478 + ... + 17591013.

It is an arithmetic number, because the mean of its divisors is an integer number (50175545445).

Almost surely, 2^{1115644222088} is an apocalyptic number.

It is an amenable number.

1115644222088 is an abundant number, since it is smaller than the sum of its proper divisors (1292781959272).

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

1115644222088 is a wasteful number, since it uses less digits than its factorization.

1115644222088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35118546 (or 35118523 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

Adding to 1115644222088 its reverse (8802224465111), we get a palindrome (9917868687199).

It can be divided in two parts, 11156 and 44222088, that added together give a palindrome (44233244).

The spelling of 1115644222088 in words is "one trillion, one hundred fifteen billion, six hundred forty-four million, two hundred twenty-two thousand, eighty-eight".