11429534281 has 9 divisors (see below), whose sum is σ = 12564334573. Its totient is φ = 10389416620.

The previous prime is 11429534267. The next prime is 11429534293. The reversal of 11429534281 is 18243592411.

The square root of 11429534281 is 106909.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 11429534281 - 2¹⁹ = 11429009993 is a prime.

It is a super-2 number, since 2×11429534281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11429534581) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1171140 + ... + 1180858.

Almost surely, 2^11429534281 is an apocalyptic number.

11429534281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11429534281 is the 106909-th square number.

11429534281 is the 53455-th centered octagonal number.

It is an amenable number.

11429534281 is a deficient number, since it is larger than the sum of its proper divisors (1134800292).

11429534281 is an frugal number, since it uses more digits than its factorization.

11429534281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19460 (or 9730 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The spelling of 11429534281 in words is "eleven billion, four hundred twenty-nine million, five hundred thirty-four thousand, two hundred eighty-one".