1054204505551 has 2 divisors, whose sum is σ = 1054204505552. Its totient is φ = 1054204505550.

The previous prime is 1054204505537. The next prime is 1054204505567. The reversal of 1054204505551 is 1555054024501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1054204505551 - 2¹⁷ = 1054204374479 is a prime.

It is a super-2 number, since 2×1054204505551² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054204505551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054204505591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527102252775 + 527102252776.

It is an arithmetic number, because the mean of its divisors is an integer number (527102252776).

Almost surely, 2^{1054204505551} is an apocalyptic number.

1054204505551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054204505551 is an equidigital number, since it uses as much as digits as its factorization.

1054204505551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 1054204505551 in words is "one trillion, fifty-four billion, two hundred four million, five hundred five thousand, five hundred fifty-one".