10500838655987 has 2 divisors, whose sum is σ = 10500838655988. Its totient is φ = 10500838655986.

The previous prime is 10500838655941. The next prime is 10500838656023. The reversal of 10500838655987 is 78955683800501.

10500838655987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10500838655987 - 2²⁰ = 10500837607411 is a prime.

It is a super-2 number, since 2×10500838655987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10500838652987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250419327993 + 5250419327994.

It is an arithmetic number, because the mean of its divisors is an integer number (5250419327994).

Almost surely, 2^{10500838655987} is an apocalyptic number.

10500838655987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500838655987 is an equidigital number, since it uses as much as digits as its factorization.

10500838655987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576000, while the sum is 65.

The spelling of 10500838655987 in words is "ten trillion, five hundred billion, eight hundred thirty-eight million, six hundred fifty-five thousand, nine hundred eighty-seven".