117547022851 has 2 divisors, whose sum is σ = 117547022852. Its totient is φ = 117547022850.

The previous prime is 117547022833. The next prime is 117547022891. The reversal of 117547022851 is 158220745711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117547022851 - 2¹¹ = 117547020803 is a prime.

It is a super-2 number, since 2×117547022851² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117547022798 and 117547022807.

It is not a weakly prime, because it can be changed into another prime (117547022821) 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, 58773511425 + 58773511426.

It is an arithmetic number, because the mean of its divisors is an integer number (58773511426).

Almost surely, 2^117547022851 is an apocalyptic number.

117547022851 is a deficient number, since it is larger than the sum of its proper divisors (1).

117547022851 is an equidigital number, since it uses as much as digits as its factorization.

117547022851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 43.

The spelling of 117547022851 in words is "one hundred seventeen billion, five hundred forty-seven million, twenty-two thousand, eight hundred fifty-one".