10951982501 has 4 divisors (see below), whose sum is σ = 11329637100. Its totient is φ = 10574327904.

The previous prime is 10951982453. The next prime is 10951982507. The reversal of 10951982501 is 10528915901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7573350625 + 3378631876 = 87025^2 + 58126^2 .

It is a cyclic number.

It is not a de Polignac number, because 10951982501 - 2¹⁰ = 10951981477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10951982507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188827256 + ... + 188827313.

It is an arithmetic number, because the mean of its divisors is an integer number (2832409275).

Almost surely, 2^10951982501 is an apocalyptic number.

It is an amenable number.

10951982501 is a deficient number, since it is larger than the sum of its proper divisors (377654599).

10951982501 is an equidigital number, since it uses as much as digits as its factorization.

10951982501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377654598.

The product of its (nonzero) digits is 32400, while the sum is 41.

The spelling of 10951982501 in words is "ten billion, nine hundred fifty-one million, nine hundred eighty-two thousand, five hundred one".