11498263846281 has 27 divisors (see below), whose sum is σ = 16970202130791. Its totient is φ = 7502101326144.

The previous prime is 11498263846193. The next prime is 11498263846291. The reversal of 11498263846281 is 18264836289411.

It is a happy number.

The square root of 11498263846281 is 3390909.

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

11498263846281 is a `hidden beast` number, since 1 + 1 + 4 + 98 + 2 + 6 + 3 + 8 + 462 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5643993252681 + 5854270593600 = 2375709^2 + 2419560^2 .

It is not a de Polignac number, because 11498263846281 - 2²³ = 11498255457673 is a prime.

It is a super-2 number, since 2×11498263846281² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11498263846291) 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, 478106145 + ... + 478130193.

Almost surely, 2^{11498263846281} is an apocalyptic number.

11498263846281 is the 3390909-th square number.

11498263846281 is the 1695455-th centered octagonal number.

It is an amenable number.

11498263846281 is a deficient number, since it is larger than the sum of its proper divisors (5471938284510).

11498263846281 is an frugal number, since it uses more digits than its factorization.

11498263846281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48198 (or 24099 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The spelling of 11498263846281 in words is "eleven trillion, four hundred ninety-eight billion, two hundred sixty-three million, eight hundred forty-six thousand, two hundred eighty-one".