10816121531 has 8 divisors (see below), whose sum is σ = 11463177024. Its totient is φ = 10170267520.

The previous prime is 10816121527. The next prime is 10816121543. The reversal of 10816121531 is 13512161801.

10816121531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10816121531 - 2² = 10816121527 is a prime.

It is a super-2 number, since 2×10816121531² (a number of 21 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 = 10816121494 and 10816121503.

It is not an unprimeable number, because it can be changed into a prime (10816120531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281795 + ... + 317868.

It is an arithmetic number, because the mean of its divisors is an integer number (1432897128).

Almost surely, 2^10816121531 is an apocalyptic number.

10816121531 is a deficient number, since it is larger than the sum of its proper divisors (647055493).

10816121531 is a wasteful number, since it uses less digits than its factorization.

10816121531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600741.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 10816121531 in words is "ten billion, eight hundred sixteen million, one hundred twenty-one thousand, five hundred thirty-one".