2155144514622 has 16 divisors (see below), whose sum is σ = 4702133486592. Its totient is φ = 653074095320.

The previous prime is 2155144514599. The next prime is 2155144514669. The reversal of 2155144514622 is 2264154415512.

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, 16326852318 + ... + 16326852449.

It is an arithmetic number, because the mean of its divisors is an integer number (293883342912).

Almost surely, 2^{2155144514622} is an apocalyptic number.

2155144514622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2155144514622 is an abundant number, since it is smaller than the sum of its proper divisors (2546988971970).

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

2155144514622 is a wasteful number, since it uses less digits than its factorization.

2155144514622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32653704783.

The product of its digits is 384000, while the sum is 42.

The spelling of 2155144514622 in words is "two trillion, one hundred fifty-five billion, one hundred forty-four million, five hundred fourteen thousand, six hundred twenty-two".