52006104991 has 2 divisors, whose sum is σ = 52006104992. Its totient is φ = 52006104990.

The previous prime is 52006104979. The next prime is 52006105001. The reversal of 52006104991 is 19940160025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52006104991 - 2¹¹ = 52006102943 is a prime.

It is a super-2 number, since 2×52006104991² (a number of 22 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 52006104991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52006104901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26003052495 + 26003052496.

It is an arithmetic number, because the mean of its divisors is an integer number (26003052496).

Almost surely, 2^52006104991 is an apocalyptic number.

52006104991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52006104991 is an equidigital number, since it uses as much as digits as its factorization.

52006104991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 52006104991 in words is "fifty-two billion, six million, one hundred four thousand, nine hundred ninety-one".