402043146511 has 2 divisors, whose sum is σ = 402043146512. Its totient is φ = 402043146510.

The previous prime is 402043146451. The next prime is 402043146551. The reversal of 402043146511 is 115641340204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402043146511 is a prime.

It is a super-2 number, since 2×402043146511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402043146551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201021573255 + 201021573256.

It is an arithmetic number, because the mean of its divisors is an integer number (201021573256).

Almost surely, 2^402043146511 is an apocalyptic number.

402043146511 is a deficient number, since it is larger than the sum of its proper divisors (1).

402043146511 is an equidigital number, since it uses as much as digits as its factorization.

402043146511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 402043146511 its reverse (115641340204), we get a palindrome (517684486715).

The spelling of 402043146511 in words is "four hundred two billion, forty-three million, one hundred forty-six thousand, five hundred eleven".