2555120521022 has 4 divisors (see below), whose sum is σ = 3832680781536. Its totient is φ = 1277560260510.

The previous prime is 2555120521001. The next prime is 2555120521033. The reversal of 2555120521022 is 2201250215552.

2555120521022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2555120521022.

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, 638780130254 + ... + 638780130257.

It is an arithmetic number, because the mean of its divisors is an integer number (958170195384).

Almost surely, 2^{2555120521022} is an apocalyptic number.

2555120521022 is a deficient number, since it is larger than the sum of its proper divisors (1277560260514).

2555120521022 is a wasteful number, since it uses less digits than its factorization.

2555120521022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277560260513.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 2555120521022 its reverse (2201250215552), we get a palindrome (4756370736574).

The spelling of 2555120521022 in words is "two trillion, five hundred fifty-five billion, one hundred twenty million, five hundred twenty-one thousand, twenty-two".