11490451772481 has 48 divisors (see below), whose sum is σ = 19172646874368. Its totient is φ = 6553785715200.

The previous prime is 11490451772431. The next prime is 11490451772581. The reversal of 11490451772481 is 18427715409411.

11490451772481 is a `hidden beast` number, since 1 + 1 + 4 + 90 + 4 + 5 + 1 + 7 + 72 + 481 = 666.

It is not a de Polignac number, because 11490451772481 - 2⁹ = 11490451771969 is a prime.

It is a super-2 number, since 2×11490451772481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11490451772431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23262051 + ... + 23750871.

It is an arithmetic number, because the mean of its divisors is an integer number (399430143216).

Almost surely, 2^{11490451772481} is an apocalyptic number.

11490451772481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11490451772481 is a deficient number, since it is larger than the sum of its proper divisors (7682195101887).

11490451772481 is a wasteful number, since it uses less digits than its factorization.

11490451772481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502822 (or 502819 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 11490451772481 in words is "eleven trillion, four hundred ninety billion, four hundred fifty-one million, seven hundred seventy-two thousand, four hundred eighty-one".