751232113042 has 4 divisors (see below), whose sum is σ = 1126848169566. Its totient is φ = 375616056520.

The previous prime is 751232112991. The next prime is 751232113043. The reversal of 751232113042 is 240311232157.

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., 522785395521 + 228446717521 = 723039^2 + 477961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 751232112995 and 751232113013.

It is not an unprimeable number, because it can be changed into a prime (751232113043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187808028259 + ... + 187808028262.

Almost surely, 2^751232113042 is an apocalyptic number.

751232113042 is a deficient number, since it is larger than the sum of its proper divisors (375616056524).

751232113042 is a wasteful number, since it uses less digits than its factorization.

751232113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375616056523.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 751232113042 its reverse (240311232157), we get a palindrome (991543345199).

The spelling of 751232113042 in words is "seven hundred fifty-one billion, two hundred thirty-two million, one hundred thirteen thousand, forty-two".