10951505491 has 2 divisors, whose sum is σ = 10951505492. Its totient is φ = 10951505490.

The previous prime is 10951505489. The next prime is 10951505503. The reversal of 10951505491 is 19450515901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10951505491 - 2¹ = 10951505489 is a prime.

Together with 10951505489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10951505441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5475752745 + 5475752746.

It is an arithmetic number, because the mean of its divisors is an integer number (5475752746).

Almost surely, 2^10951505491 is an apocalyptic number.

10951505491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10951505491 is an equidigital number, since it uses as much as digits as its factorization.

10951505491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 40.

The spelling of 10951505491 in words is "ten billion, nine hundred fifty-one million, five hundred five thousand, four hundred ninety-one".