11773641530 has 16 divisors (see below), whose sum is σ = 24220062720. Its totient is φ = 4036677072.

The previous prime is 11773641491. The next prime is 11773641547. The reversal of 11773641530 is 3514637711.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84097370 + ... + 84097509.

It is an arithmetic number, because the mean of its divisors is an integer number (1513753920).

Almost surely, 2^11773641530 is an apocalyptic number.

11773641530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11773641530 is an abundant number, since it is smaller than the sum of its proper divisors (12446421190).

11773641530 is a wasteful number, since it uses less digits than its factorization.

11773641530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168194893.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 11773641530 in words is "eleven billion, seven hundred seventy-three million, six hundred forty-one thousand, five hundred thirty".