2544111222553 has 4 divisors (see below), whose sum is σ = 2606162715828. Its totient is φ = 2482059729280.

The previous prime is 2544111222529. The next prime is 2544111222581. The reversal of 2544111222553 is 3552221114452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 223083348489 + 2321027874064 = 472317^2 + 1523492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2544111222553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2544111222503) 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, 31025746576 + ... + 31025746657.

It is an arithmetic number, because the mean of its divisors is an integer number (651540678957).

Almost surely, 2^{2544111222553} is an apocalyptic number.

It is an amenable number.

2544111222553 is a deficient number, since it is larger than the sum of its proper divisors (62051493275).

2544111222553 is an equidigital number, since it uses as much as digits as its factorization.

2544111222553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62051493274.

The product of its digits is 96000, while the sum is 37.

The spelling of 2544111222553 in words is "two trillion, five hundred forty-four billion, one hundred eleven million, two hundred twenty-two thousand, five hundred fifty-three".