10721558393351 has 8 divisors (see below), whose sum is σ = 11551511170080. Its totient is φ = 9892350976032.

The previous prime is 10721558393317. The next prime is 10721558393417. The reversal of 10721558393351 is 15339385512701.

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-10721558393351 is a prime.

It is a super-2 number, since 2×10721558393351² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10721558393293 and 10721558393302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721558393311) 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, 186309971 + ... + 186367508.

It is an arithmetic number, because the mean of its divisors is an integer number (1443938896260).

Almost surely, 2^{10721558393351} is an apocalyptic number.

10721558393351 is a deficient number, since it is larger than the sum of its proper divisors (829952776729).

10721558393351 is a wasteful number, since it uses less digits than its factorization.

10721558393351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372679705.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 10721558393351 in words is "ten trillion, seven hundred twenty-one billion, five hundred fifty-eight million, three hundred ninety-three thousand, three hundred fifty-one".