10500501091 has 2 divisors, whose sum is σ = 10500501092. Its totient is φ = 10500501090.

The previous prime is 10500501083. The next prime is 10500501119. The reversal of 10500501091 is 19010500501.

It is a weak prime.

It is an emirp because it is prime and its reverse (19010500501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10500501091 - 2³ = 10500501083 is a prime.

It is a super-3 number, since 3×10500501091³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (10500501191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250250545 + 5250250546.

It is an arithmetic number, because the mean of its divisors is an integer number (5250250546).

Almost surely, 2^10500501091 is an apocalyptic number.

10500501091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500501091 is an equidigital number, since it uses as much as digits as its factorization.

10500501091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 22.

The spelling of 10500501091 in words is "ten billion, five hundred million, five hundred one thousand, ninety-one".