11736542045 has 8 divisors (see below), whose sum is σ = 14105422296. Its totient is φ = 9374852416.

The previous prime is 11736542033. The next prime is 11736542053. The reversal of 11736542045 is 54024563711.

It can be written as a sum of positive squares in 4 ways, for example, as 80532676 + 11656009369 = 8974^2 + 107963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11736542045 - 2¹⁰ = 11736541021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794062 + ... + 1800591.

It is an arithmetic number, because the mean of its divisors is an integer number (1763177787).

Almost surely, 2^11736542045 is an apocalyptic number.

It is an amenable number.

11736542045 is a deficient number, since it is larger than the sum of its proper divisors (2368880251).

11736542045 is an equidigital number, since it uses as much as digits as its factorization.

11736542045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595311.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 11736542045 in words is "eleven billion, seven hundred thirty-six million, five hundred forty-two thousand, forty-five".