10113561243 has 12 divisors (see below), whose sum is σ = 15377344840. Its totient is φ = 6387512256.

The previous prime is 10113561223. The next prime is 10113561247. The reversal of 10113561243 is 34216531101.

It is a happy number.

10113561243 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 3 + 5 + 612 + 43 = 666.

10113561243 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10113561243 - 2⁹ = 10113560731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113561247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29571646 + ... + 29571987.

Almost surely, 2^10113561243 is an apocalyptic number.

10113561243 is a deficient number, since it is larger than the sum of its proper divisors (5263783597).

10113561243 is a wasteful number, since it uses less digits than its factorization.

10113561243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59143658 (or 59143655 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 10113561243 in words is "ten billion, one hundred thirteen million, five hundred sixty-one thousand, two hundred forty-three".