1115644222090 has 8 divisors (see below), whose sum is σ = 2008159599780. Its totient is φ = 446257688832.

The previous prime is 1115644222067. The next prime is 1115644222109. The reversal of 1115644222090 is 902224465111.

It can be written as a sum of positive squares in 2 ways, for example, as 1112470139169 + 3174082921 = 1054737^2 + 56339^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55782211095 + ... + 55782211114.

Almost surely, 2^{1115644222090} is an apocalyptic number.

1115644222090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115644222090 is a deficient number, since it is larger than the sum of its proper divisors (892515377690).

1115644222090 is a wasteful number, since it uses less digits than its factorization.

1115644222090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111564422216.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 1115644222090 in words is "one trillion, one hundred fifteen billion, six hundred forty-four million, two hundred twenty-two thousand, ninety".