11746247445 has 24 divisors (see below), whose sum is σ = 20368100376. Its totient is φ = 6262222848.

The previous prime is 11746247419. The next prime is 11746247467. The reversal of 11746247445 is 54474264711.

11746247445 is a `hidden beast` number, since 1 + 17 + 4 + 624 + 7 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 277122609 + 11469124836 = 16647^2 + 107094^2 .

It is not a de Polignac number, because 11746247445 - 2¹⁴ = 11746231061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11746247445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68917 + ... + 168053.

It is an arithmetic number, because the mean of its divisors is an integer number (848670849).

Almost surely, 2^11746247445 is an apocalyptic number.

11746247445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11746247445 is a deficient number, since it is larger than the sum of its proper divisors (8621852931).

11746247445 is a wasteful number, since it uses less digits than its factorization.

11746247445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101781 (or 101778 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The spelling of 11746247445 in words is "eleven billion, seven hundred forty-six million, two hundred forty-seven thousand, four hundred forty-five".