11720087034 has 32 divisors (see below), whose sum is σ = 24689551680. Its totient is φ = 3698727552.

The previous prime is 11720086979. The next prime is 11720087081. The reversal of 11720087034 is 43078002711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11720086986 and 11720087004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152014 + ... + 215750.

It is an arithmetic number, because the mean of its divisors is an integer number (771548490).

Almost surely, 2^11720087034 is an apocalyptic number.

11720087034 is an abundant number, since it is smaller than the sum of its proper divisors (12969464646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11720087034 is a wasteful number, since it uses less digits than its factorization.

11720087034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65374.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 11720087034 its reverse (43078002711), we get a palindrome (54798089745).

The spelling of 11720087034 in words is "eleven billion, seven hundred twenty million, eighty-seven thousand, thirty-four".