10681223951 has 8 divisors (see below), whose sum is σ = 11092756224. Its totient is φ = 10277106840.

The previous prime is 10681223933. The next prime is 10681223963. The reversal of 10681223951 is 15932218601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10681223951 is a prime.

It is a super-2 number, since 2×10681223951² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10681223551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850855 + ... + 1856616.

It is an arithmetic number, because the mean of its divisors is an integer number (1386594528).

Almost surely, 2^10681223951 is an apocalyptic number.

10681223951 is a deficient number, since it is larger than the sum of its proper divisors (411532273).

10681223951 is an equidigital number, since it uses as much as digits as its factorization.

10681223951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707581.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 10681223951 in words is "ten billion, six hundred eighty-one million, two hundred twenty-three thousand, nine hundred fifty-one".