10901239281 has 27 divisors (see below), whose sum is σ = 16363723051. Its totient is φ = 7261854768.

The previous prime is 10901239259. The next prime is 10901239289. The reversal of 10901239281 is 18293210901.

The square root of 10901239281 is 104409.

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

It can be written as a sum of positive squares in only one way, i.e., 8843709681 + 2057529600 = 94041^2 + 45360^2 .

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 10901239281 - 2¹⁷ = 10901108209 is a prime.

It is a super-2 number, since 2×10901239281² (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 (10901239289) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8456485 + ... + 8457773.

Almost surely, 2^10901239281 is an apocalyptic number.

10901239281 is the 104409-th square number.

10901239281 is the 52205-th centered octagonal number.

It is an amenable number.

10901239281 is a deficient number, since it is larger than the sum of its proper divisors (5462483770).

10901239281 is an frugal number, since it uses more digits than its factorization.

10901239281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

Multiplying 10901239281 by its sum of digits (36), we get a square (392444614116 = 626454²).

The spelling of 10901239281 in words is "ten billion, nine hundred one million, two hundred thirty-nine thousand, two hundred eighty-one".