11115644003122 has 8 divisors (see below), whose sum is σ = 16674110517276. Its totient is φ = 5557607164032.

The previous prime is 11115644003063. The next prime is 11115644003171. The reversal of 11115644003122 is 22130044651111.

It can be written as a sum of positive squares in 2 ways, for example, as 11029565724241 + 86078278881 = 3321079^2 + 293391^2 .

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

It is a super-2 number, since 2×11115644003122² (a number of 27 digits) contains 22 as substring.

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, 107354083 + ... + 107457574.

Almost surely, 2^{11115644003122} is an apocalyptic number.

11115644003122 is a deficient number, since it is larger than the sum of its proper divisors (5558466514154).

11115644003122 is a wasteful number, since it uses less digits than its factorization.

11115644003122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214837532.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 11115644003122 its reverse (22130044651111), we get a palindrome (33245688654233).

The spelling of 11115644003122 in words is "eleven trillion, one hundred fifteen billion, six hundred forty-four million, three thousand, one hundred twenty-two".