10510391887 has 2 divisors, whose sum is σ = 10510391888. Its totient is φ = 10510391886.

The previous prime is 10510391863. The next prime is 10510391909. The reversal of 10510391887 is 78819301501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10510391887 - 2²³ = 10502003279 is a prime.

It is a super-2 number, since 2×10510391887² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10510391587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255195943 + 5255195944.

It is an arithmetic number, because the mean of its divisors is an integer number (5255195944).

Almost surely, 2^10510391887 is an apocalyptic number.

10510391887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10510391887 is an equidigital number, since it uses as much as digits as its factorization.

10510391887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 10510391887 in words is "ten billion, five hundred ten million, three hundred ninety-one thousand, eight hundred eighty-seven".