11543142674 has 16 divisors (see below), whose sum is σ = 20123640000. Its totient is φ = 4863212304.

The previous prime is 11543142643. The next prime is 11543142679. The reversal of 11543142674 is 47624134511.

It is not an unprimeable number, because it can be changed into a prime (11543142679) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6986549 + ... + 6988200.

It is an arithmetic number, because the mean of its divisors is an integer number (1257727500).

Almost surely, 2^11543142674 is an apocalyptic number.

11543142674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11543142674 is a deficient number, since it is larger than the sum of its proper divisors (8580497326).

11543142674 is a wasteful number, since it uses less digits than its factorization.

11543142674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974817.

The product of its digits is 80640, while the sum is 38.

The spelling of 11543142674 in words is "eleven billion, five hundred forty-three million, one hundred forty-two thousand, six hundred seventy-four".