1801141415544 has 64 divisors (see below), whose sum is σ = 4975019792640. Its totient is φ = 540495971840.

The previous prime is 1801141415543. The next prime is 1801141415551. The reversal of 1801141415544 is 4455141411081.

It is a super-2 number, since 2×1801141415544² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801141415543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95959362 + ... + 95978129.

It is an arithmetic number, because the mean of its divisors is an integer number (77734684260).

Almost surely, 2^{1801141415544} is an apocalyptic number.

It is an amenable number.

1801141415544 is an abundant number, since it is smaller than the sum of its proper divisors (3173878377096).

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

1801141415544 is a wasteful number, since it uses less digits than its factorization.

1801141415544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191937540 (or 191937536 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The spelling of 1801141415544 in words is "one trillion, eight hundred one billion, one hundred forty-one million, four hundred fifteen thousand, five hundred forty-four".