10816196809451 has 4 divisors (see below), whose sum is σ = 11799487428504. Its totient is φ = 9832906190400.

The previous prime is 10816196809433. The next prime is 10816196809471. The reversal of 10816196809451 is 15490869161801.

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

It is a cyclic number.

It is not a de Polignac number, because 10816196809451 - 2⁶ = 10816196809387 is a prime.

It is a super-2 number, since 2×10816196809451² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10816196809471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491645309510 + ... + 491645309531.

It is an arithmetic number, because the mean of its divisors is an integer number (2949871857126).

Almost surely, 2^{10816196809451} is an apocalyptic number.

10816196809451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10816196809451 is a deficient number, since it is larger than the sum of its proper divisors (983290619053).

10816196809451 is an equidigital number, since it uses as much as digits as its factorization.

10816196809451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983290619052.

The product of its (nonzero) digits is 3732480, while the sum is 59.

The spelling of 10816196809451 in words is "ten trillion, eight hundred sixteen billion, one hundred ninety-six million, eight hundred nine thousand, four hundred fifty-one".