2555005122142 has 16 divisors (see below), whose sum is σ = 4259802709872. Its totient is φ = 1139453398720.

The previous prime is 2555005122119. The next prime is 2555005122149. The reversal of 2555005122142 is 2412215005552.

It is a junction number, because it is equal to n+sod(n) for n = 2555005122098 and 2555005122107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555005122149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095627103 + ... + 1095629434.

It is an arithmetic number, because the mean of its divisors is an integer number (266237669367).

Almost surely, 2^{2555005122142} is an apocalyptic number.

2555005122142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2555005122142 is a deficient number, since it is larger than the sum of its proper divisors (1704797587730).

2555005122142 is a wasteful number, since it uses less digits than its factorization.

2555005122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191256603.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 2555005122142 in words is "two trillion, five hundred fifty-five billion, five million, one hundred twenty-two thousand, one hundred forty-two".