2553381853911 has 64 divisors (see below), whose sum is σ = 4578512256000. Its totient is φ = 1372941093888.

The previous prime is 2553381853903. The next prime is 2553381853927. The reversal of 2553381853911 is 1193581833552.

2553381853911 is a `hidden beast` number, since 2 + 5 + 53 + 38 + 18 + 539 + 11 = 666.

It is not a de Polignac number, because 2553381853911 - 2³ = 2553381853903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553381853901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14703115 + ... + 14875763.

It is an arithmetic number, because the mean of its divisors is an integer number (71539254000).

Almost surely, 2^{2553381853911} is an apocalyptic number.

2553381853911 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2553381853911 is a deficient number, since it is larger than the sum of its proper divisors (2025130402089).

2553381853911 is a wasteful number, since it uses less digits than its factorization.

2553381853911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177285 (or 177279 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The spelling of 2553381853911 in words is "two trillion, five hundred fifty-three billion, three hundred eighty-one million, eight hundred fifty-three thousand, nine hundred eleven".