18048155078 has 16 divisors (see below), whose sum is σ = 27260712000. Its totient is φ = 8961389352.

The previous prime is 18048155003. The next prime is 18048155089. The reversal of 18048155078 is 87055184081.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230453 + ... + 298671.

It is an arithmetic number, because the mean of its divisors is an integer number (1703794500).

Almost surely, 2^18048155078 is an apocalyptic number.

18048155078 is a deficient number, since it is larger than the sum of its proper divisors (9212556922).

18048155078 is a wasteful number, since it uses less digits than its factorization.

18048155078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69139.

The product of its (nonzero) digits is 358400, while the sum is 47.

The spelling of 18048155078 in words is "eighteen billion, forty-eight million, one hundred fifty-five thousand, seventy-eight".