11543013642 has 16 divisors (see below), whose sum is σ = 23154535872. Its totient is φ = 3836253120.

The previous prime is 11543013631. The next prime is 11543013653. The reversal of 11543013642 is 24631034511.

It is an interprime number because it is at equal distance from previous prime (11543013631) and next prime (11543013653).

It is an unprimeable number.

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, 2852334 + ... + 2856377.

It is an arithmetic number, because the mean of its divisors is an integer number (1447158492).

Almost surely, 2^11543013642 is an apocalyptic number.

11543013642 is an abundant number, since it is smaller than the sum of its proper divisors (11611522230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11543013642 is a wasteful number, since it uses less digits than its factorization.

11543013642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709053.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 11543013642 in words is "eleven billion, five hundred forty-three million, thirteen thousand, six hundred forty-two".