2155027420888 has 8 divisors (see below), whose sum is σ = 4040676414180. Its totient is φ = 1077513710440.

The previous prime is 2155027420801. The next prime is 2155027420919. The reversal of 2155027420888 is 8880247205512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134689213798 + ... + 134689213813.

Almost surely, 2^{2155027420888} is an apocalyptic number.

It is an amenable number.

2155027420888 is a deficient number, since it is larger than the sum of its proper divisors (1885648993292).

2155027420888 is a wasteful number, since it uses less digits than its factorization.

2155027420888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269378427617 (or 269378427613 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 2155027420888 in words is "two trillion, one hundred fifty-five billion, twenty-seven million, four hundred twenty thousand, eight hundred eighty-eight".