11744086545 has 12 divisors (see below), whose sum is σ = 20356416756. Its totient is φ = 6263512800.

The previous prime is 11744086441. The next prime is 11744086553. The reversal of 11744086545 is 54568044711.

It can be written as a sum of positive squares in 2 ways, for example, as 2917296144 + 8826790401 = 54012^2 + 93951^2 .

It is not a de Polignac number, because 11744086545 - 2⁹ = 11744086033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 260979701 = 11744086545 / (1 + 1 + 7 + 4 + 4 + 0 + 8 + 6 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 11744086545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130489806 + ... + 130489895.

It is an arithmetic number, because the mean of its divisors is an integer number (1696368063).

Almost surely, 2^11744086545 is an apocalyptic number.

11744086545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11744086545 is a deficient number, since it is larger than the sum of its proper divisors (8612330211).

11744086545 is a wasteful number, since it uses less digits than its factorization.

11744086545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260979712 (or 260979709 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 11744086545 in words is "eleven billion, seven hundred forty-four million, eighty-six thousand, five hundred forty-five".