1072005399851 has 2 divisors, whose sum is σ = 1072005399852. Its totient is φ = 1072005399850.

The previous prime is 1072005399833. The next prime is 1072005399911. The reversal of 1072005399851 is 1589935002701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1072005399851 - 2²⁶ = 1071938290987 is a prime.

It is a super-2 number, since 2×1072005399851² (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 1072005399851.

It is not a weakly prime, because it can be changed into another prime (1072007399851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536002699925 + 536002699926.

It is an arithmetic number, because the mean of its divisors is an integer number (536002699926).

Almost surely, 2^{1072005399851} is an apocalyptic number.

1072005399851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072005399851 is an equidigital number, since it uses as much as digits as its factorization.

1072005399851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 1072005399851 in words is "one trillion, seventy-two billion, five million, three hundred ninety-nine thousand, eight hundred fifty-one".