113521034387 has 2 divisors, whose sum is σ = 113521034388. Its totient is φ = 113521034386.

The previous prime is 113521034369. The next prime is 113521034503. The reversal of 113521034387 is 783430125311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113521034387 - 2¹² = 113521030291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113521034387.

It is not a weakly prime, because it can be changed into another prime (113521034327) 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 as a sum of consecutive naturals, namely, 56760517193 + 56760517194.

It is an arithmetic number, because the mean of its divisors is an integer number (56760517194).

Almost surely, 2^113521034387 is an apocalyptic number.

113521034387 is a deficient number, since it is larger than the sum of its proper divisors (1).

113521034387 is an equidigital number, since it uses as much as digits as its factorization.

113521034387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 113521034387 its reverse (783430125311), we get a palindrome (896951159698).

The spelling of 113521034387 in words is "one hundred thirteen billion, five hundred twenty-one million, thirty-four thousand, three hundred eighty-seven".