18734522101144 has 128 divisors (see below), whose sum is σ = 37523153940480. Its totient is φ = 8738569267200.

The previous prime is 18734522101111. The next prime is 18734522101193. The reversal of 18734522101144 is 44110122543781.

It is a super-2 number, since 2×18734522101144² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18734522101144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7484825797 + ... + 7484828299.

It is an arithmetic number, because the mean of its divisors is an integer number (293149640160).

Almost surely, 2^{18734522101144} is an apocalyptic number.

It is an amenable number.

18734522101144 is an abundant number, since it is smaller than the sum of its proper divisors (18788631839336).

18734522101144 is a wasteful number, since it uses less digits than its factorization.

18734522101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3757 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 18734522101144 in words is "eighteen trillion, seven hundred thirty-four billion, five hundred twenty-two million, one hundred one thousand, one hundred forty-four".