52542145511 has 2 divisors, whose sum is σ = 52542145512. Its totient is φ = 52542145510.

The previous prime is 52542145499. The next prime is 52542145517. The reversal of 52542145511 is 11554124525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52542145511 is a prime.

It is a super-2 number, since 2×52542145511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52542145517) 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, 26271072755 + 26271072756.

It is an arithmetic number, because the mean of its divisors is an integer number (26271072756).

Almost surely, 2^52542145511 is an apocalyptic number.

52542145511 is a deficient number, since it is larger than the sum of its proper divisors (1).

52542145511 is an equidigital number, since it uses as much as digits as its factorization.

52542145511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40000, while the sum is 35.

The spelling of 52542145511 in words is "fifty-two billion, five hundred forty-two million, one hundred forty-five thousand, five hundred eleven".