10115531143 has 4 divisors (see below), whose sum is σ = 10120717888. Its totient is φ = 10110344400.

The previous prime is 10115531141. The next prime is 10115531147. The reversal of 10115531143 is 34113551101.

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

It is a cyclic number.

It is not a de Polignac number, because 10115531143 - 2¹ = 10115531141 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 (10115531141) 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, 2590446 + ... + 2594347.

It is an arithmetic number, because the mean of its divisors is an integer number (2530179472).

Almost surely, 2^10115531143 is an apocalyptic number.

10115531143 is a deficient number, since it is larger than the sum of its proper divisors (5186745).

10115531143 is an equidigital number, since it uses as much as digits as its factorization.

10115531143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186744.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 10115531143 in words is "ten billion, one hundred fifteen million, five hundred thirty-one thousand, one hundred forty-three".