2555545512201 has 48 divisors (see below), whose sum is σ = 3943424249280. Its totient is φ = 1459694960640.

The previous prime is 2555545512197. The next prime is 2555545512211. The reversal of 2555545512201 is 1022155455552.

It is not a de Polignac number, because 2555545512201 - 2² = 2555545512197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555545512211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1743465 + ... + 2854953.

It is an arithmetic number, because the mean of its divisors is an integer number (82154671860).

Almost surely, 2^{2555545512201} is an apocalyptic number.

It is an amenable number.

2555545512201 is a deficient number, since it is larger than the sum of its proper divisors (1387878737079).

2555545512201 is a wasteful number, since it uses less digits than its factorization.

2555545512201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111734 (or 1111715 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 2555545512201 in words is "two trillion, five hundred fifty-five billion, five hundred forty-five million, five hundred twelve thousand, two hundred one".