11557267743 has 24 divisors (see below), whose sum is σ = 18980006832. Its totient is φ = 6215672064.

The previous prime is 11557267741. The next prime is 11557267751. The reversal of 11557267743 is 34776275511.

It is not a de Polignac number, because 11557267743 - 2¹ = 11557267741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11557267692 and 11557267701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11557267741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2309880 + ... + 2314877.

It is an arithmetic number, because the mean of its divisors is an integer number (790833618).

Almost surely, 2^11557267743 is an apocalyptic number.

11557267743 is a deficient number, since it is larger than the sum of its proper divisors (7422739089).

11557267743 is a wasteful number, since it uses less digits than its factorization.

11557267743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624791 (or 4624784 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 48.

It can be divided in two parts, 115572 and 67743, that added together give a triangular number (183315 = T₆₀₅).

The spelling of 11557267743 in words is "eleven billion, five hundred fifty-seven million, two hundred sixty-seven thousand, seven hundred forty-three".