11557267742 has 8 divisors (see below), whose sum is σ = 17350011000. Its totient is φ = 5773930744.

The previous prime is 11557267741. The next prime is 11557267751. The reversal of 11557267742 is 24776275511.

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

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348492 + ... + 2353407.

It is an arithmetic number, because the mean of its divisors is an integer number (2168751375).

Almost surely, 2^11557267742 is an apocalyptic number.

11557267742 is a deficient number, since it is larger than the sum of its proper divisors (5792743258).

11557267742 is a wasteful number, since it uses less digits than its factorization.

11557267742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703130.

The product of its digits is 823200, while the sum is 47.

The spelling of 11557267742 in words is "eleven billion, five hundred fifty-seven million, two hundred sixty-seven thousand, seven hundred forty-two".