2455531554551 has 4 divisors (see below), whose sum is σ = 2455536160272. Its totient is φ = 2455526948832.

The previous prime is 2455531554529. The next prime is 2455531554563. The reversal of 2455531554551 is 1554551355542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2455531554551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2455531554551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455531554851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379810 + ... + 2610543.

It is an arithmetic number, because the mean of its divisors is an integer number (613884040068).

Almost surely, 2^{2455531554551} is an apocalyptic number.

2455531554551 is a deficient number, since it is larger than the sum of its proper divisors (4605721).

2455531554551 is an equidigital number, since it uses as much as digits as its factorization.

2455531554551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605720.

The product of its digits is 7500000, while the sum is 50.

The spelling of 2455531554551 in words is "two trillion, four hundred fifty-five billion, five hundred thirty-one million, five hundred fifty-four thousand, five hundred fifty-one".