10142556911 has 4 divisors (see below), whose sum is σ = 10142781000. Its totient is φ = 10142332824.

The previous prime is 10142556863. The next prime is 10142556913. The reversal of 10142556911 is 11965524101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11965524101 = 53899 ⋅221999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10142556911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142556913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17636 + ... + 143513.

It is an arithmetic number, because the mean of its divisors is an integer number (2535695250).

Almost surely, 2^10142556911 is an apocalyptic number.

10142556911 is a deficient number, since it is larger than the sum of its proper divisors (224089).

10142556911 is an equidigital number, since it uses as much as digits as its factorization.

10142556911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224088.

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 10142556911 in words is "ten billion, one hundred forty-two million, five hundred fifty-six thousand, nine hundred eleven".