11375872642 has 4 divisors (see below), whose sum is σ = 17063808966. Its totient is φ = 5687936320.

The previous prime is 11375872639. The next prime is 11375872649. The reversal of 11375872642 is 24627857311.

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

It can be written as a sum of positive squares in only one way, i.e., 11346723441 + 29149201 = 106521^2 + 5399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11375872592 and 11375872601.

It is not an unprimeable number, because it can be changed into a prime (11375872649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843968159 + ... + 2843968162.

Almost surely, 2^11375872642 is an apocalyptic number.

11375872642 is a deficient number, since it is larger than the sum of its proper divisors (5687936324).

11375872642 is an equidigital number, since it uses as much as digits as its factorization.

11375872642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687936323.

The product of its digits is 564480, while the sum is 46.

The spelling of 11375872642 in words is "eleven billion, three hundred seventy-five million, eight hundred seventy-two thousand, six hundred forty-two".