10520113042 has 8 divisors (see below), whose sum is σ = 15781241916. Its totient is φ = 5259699072.

The previous prime is 10520113039. The next prime is 10520113049. The reversal of 10520113042 is 24031102501.

It can be written as a sum of positive squares in 2 ways, for example, as 9290839321 + 1229273721 = 96389^2 + 35061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10520113042² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520113049) 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, 140283 + ... + 201790.

Almost surely, 2^10520113042 is an apocalyptic number.

10520113042 is a deficient number, since it is larger than the sum of its proper divisors (5261128874).

10520113042 is a wasteful number, since it uses less digits than its factorization.

10520113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357452.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10520113042 its reverse (24031102501), we get a palindrome (34551215543).

The spelling of 10520113042 in words is "ten billion, five hundred twenty million, one hundred thirteen thousand, forty-two".