18701141555548 has 12 divisors (see below), whose sum is σ = 32727385812352. Its totient is φ = 9350459894880.

The previous prime is 18701141555531. The next prime is 18701141555561. The reversal of 18701141555548 is 84555514110781.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27340668 + ... + 28016323.

Almost surely, 2^{18701141555548} is an apocalyptic number.

It is an amenable number.

18701141555548 is a deficient number, since it is larger than the sum of its proper divisors (14026244256804).

18701141555548 is a wasteful number, since it uses less digits than its factorization.

18701141555548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55441452 (or 55441450 counting only the distinct ones).

The product of its (nonzero) digits is 4480000, while the sum is 55.

The spelling of 18701141555548 in words is "eighteen trillion, seven hundred one billion, one hundred forty-one million, five hundred fifty-five thousand, five hundred forty-eight".