11020951766491 has 2 divisors, whose sum is σ = 11020951766492. Its totient is φ = 11020951766490.

The previous prime is 11020951766483. The next prime is 11020951766501. The reversal of 11020951766491 is 19466715902011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11020951766491 - 2³ = 11020951766483 is a prime.

It is a super-2 number, since 2×11020951766491² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11020951766431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510475883245 + 5510475883246.

It is an arithmetic number, because the mean of its divisors is an integer number (5510475883246).

Almost surely, 2^{11020951766491} is an apocalyptic number.

11020951766491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020951766491 is an equidigital number, since it uses as much as digits as its factorization.

11020951766491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 11020951766491 in words is "eleven trillion, twenty billion, nine hundred fifty-one million, seven hundred sixty-six thousand, four hundred ninety-one".