1325544553511 has 2 divisors, whose sum is σ = 1325544553512. Its totient is φ = 1325544553510.

The previous prime is 1325544553469. The next prime is 1325544553573. The reversal of 1325544553511 is 1153554455231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1325544553511 - 2²² = 1325540359207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325544513511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662772276755 + 662772276756.

It is an arithmetic number, because the mean of its divisors is an integer number (662772276756).

Almost surely, 2^{1325544553511} is an apocalyptic number.

1325544553511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325544553511 is an equidigital number, since it uses as much as digits as its factorization.

1325544553511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900000, while the sum is 44.

The spelling of 1325544553511 in words is "one trillion, three hundred twenty-five billion, five hundred forty-four million, five hundred fifty-three thousand, five hundred eleven".