11731537747043 has 4 divisors (see below), whose sum is σ = 11815937299320. Its totient is φ = 11647138194768.

The previous prime is 11731537746977. The next prime is 11731537747057. The reversal of 11731537747043 is 34074773513711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11731537747043 - 2²⁶ = 11731470638179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11731537747073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42199775930 + ... + 42199776207.

It is an arithmetic number, because the mean of its divisors is an integer number (2953984324830).

Almost surely, 2^{11731537747043} is an apocalyptic number.

11731537747043 is a deficient number, since it is larger than the sum of its proper divisors (84399552277).

11731537747043 is an equidigital number, since it uses as much as digits as its factorization.

11731537747043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84399552276.

The product of its (nonzero) digits is 5186160, while the sum is 53.

The spelling of 11731537747043 in words is "eleven trillion, seven hundred thirty-one billion, five hundred thirty-seven million, seven hundred forty-seven thousand, forty-three".