11862824542 has 4 divisors (see below), whose sum is σ = 17794236816. Its totient is φ = 5931412270.

The previous prime is 11862824521. The next prime is 11862824569. The reversal of 11862824542 is 24542826811.

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

It is a super-4 number, since 4×11862824542⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965706134 + ... + 2965706137.

It is an arithmetic number, because the mean of its divisors is an integer number (4448559204).

Almost surely, 2^11862824542 is an apocalyptic number.

11862824542 is a deficient number, since it is larger than the sum of its proper divisors (5931412274).

11862824542 is an equidigital number, since it uses as much as digits as its factorization.

11862824542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931412273.

The product of its digits is 245760, while the sum is 43.

The spelling of 11862824542 in words is "eleven billion, eight hundred sixty-two million, eight hundred twenty-four thousand, five hundred forty-two".