1004555514551 has 2 divisors, whose sum is σ = 1004555514552. Its totient is φ = 1004555514550.

The previous prime is 1004555514461. The next prime is 1004555514593. The reversal of 1004555514551 is 1554155554001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004555514551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004555514499 and 1004555514508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004555504551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502277757275 + 502277757276.

It is an arithmetic number, because the mean of its divisors is an integer number (502277757276).

Almost surely, 2^{1004555514551} is an apocalyptic number.

1004555514551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004555514551 is an equidigital number, since it uses as much as digits as its factorization.

1004555514551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250000, while the sum is 41.

It can be divided in two parts, 1004 and 555514551, that added together give a palindrome (555515555).

The spelling of 1004555514551 in words is "one trillion, four billion, five hundred fifty-five million, five hundred fourteen thousand, five hundred fifty-one".