2555344515401 has 4 divisors (see below), whose sum is σ = 2579226239952.
Its totient is φ = 2531462790852.
The previous prime is 2555344515377. The next prime is 2555344515443. The reversal of 2555344515401 is 1045154435552.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2555344515401 - 230 = 2554270773577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2555344515701) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11940862115 + ... + 11940862328.
It is an arithmetic number, because the mean of its divisors is an integer number (644806559988).
Almost surely, 22555344515401 is an apocalyptic number.
It is an amenable number.
2555344515401 is a deficient number, since it is larger than the sum of its proper divisors (23881724551).
2555344515401 is a wasteful number, since it uses less digits than its factorization.
2555344515401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23881724550.
The product of its (nonzero) digits is 1200000, while the sum is 44.
The spelling of 2555344515401 in words is "two trillion, five hundred fifty-five billion, three hundred forty-four million, five hundred fifteen thousand, four hundred one".