11930964947 has 16 divisors (see below), whose sum is σ = 13440261120. Its totient is φ = 10492696800.

The previous prime is 11930964923. The next prime is 11930964953. The reversal of 11930964947 is 74946903911.

It is a cyclic number.

It is not a de Polignac number, because 11930964947 - 2⁶ = 11930964883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11930964977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434533 + ... + 1442825.

It is an arithmetic number, because the mean of its divisors is an integer number (840016320).

Almost surely, 2^11930964947 is an apocalyptic number.

11930964947 is a deficient number, since it is larger than the sum of its proper divisors (1509296173).

11930964947 is a wasteful number, since it uses less digits than its factorization.

11930964947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12554.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 11930964947 in words is "eleven billion, nine hundred thirty million, nine hundred sixty-four thousand, nine hundred forty-seven".