10011050504991 has 80 divisors (see below), whose sum is σ = 15993723290688. Its totient is φ = 6218311680000.

The previous prime is 10011050504977. The next prime is 10011050505067. The reversal of 10011050504991 is 19940505011001.

10011050504991 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 10 + 50 + 504 + 9 + 91 = 666.

It is not a de Polignac number, because 10011050504991 - 2²¹ = 10011048407839 is a prime.

It is a super-2 number, since 2×10011050504991² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011050504911) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 476683491 + ... + 476704491.

Almost surely, 2^{10011050504991} is an apocalyptic number.

10011050504991 is a deficient number, since it is larger than the sum of its proper divisors (5982672785697).

10011050504991 is a wasteful number, since it uses less digits than its factorization.

10011050504991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24494 (or 24485 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 36.

Adding to 10011050504991 its reverse (19940505011001), we get a palindrome (29951555515992).

The spelling of 10011050504991 in words is "ten trillion, eleven billion, fifty million, five hundred four thousand, nine hundred ninety-one".