1188054601278 has 64 divisors (see below), whose sum is σ = 2431976279040. Its totient is φ = 386744942592.

The previous prime is 1188054601259. The next prime is 1188054601291. The reversal of 1188054601278 is 8721064508811.

It is a super-2 number, since 2×1188054601278² (a number of 25 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 1188054601278.

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, 385355125 + ... + 385358207.

It is an arithmetic number, because the mean of its divisors is an integer number (37999629360).

Almost surely, 2^{1188054601278} is an apocalyptic number.

1188054601278 is an abundant number, since it is smaller than the sum of its proper divisors (1243921677762).

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

1188054601278 is a wasteful number, since it uses less digits than its factorization.

1188054601278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 860160, while the sum is 51.

The spelling of 1188054601278 in words is "one trillion, one hundred eighty-eight billion, fifty-four million, six hundred one thousand, two hundred seventy-eight".