11720264146 has 32 divisors (see below), whose sum is σ = 18649128960. Its totient is φ = 5512897104.

The previous prime is 11720264107. The next prime is 11720264161. The reversal of 11720264146 is 64146202711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949611 + ... + 961873.

It is an arithmetic number, because the mean of its divisors is an integer number (582785280).

Almost surely, 2^11720264146 is an apocalyptic number.

11720264146 is a deficient number, since it is larger than the sum of its proper divisors (6928864814).

11720264146 is a wasteful number, since it uses less digits than its factorization.

11720264146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12630.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 11720264146 its reverse (64146202711), we get a palindrome (75866466857).

The spelling of 11720264146 in words is "eleven billion, seven hundred twenty million, two hundred sixty-four thousand, one hundred forty-six".