11953530508 has 24 divisors (see below), whose sum is σ = 21362342400. Its totient is φ = 5850853008.

The previous prime is 11953530499. The next prime is 11953530517. The reversal of 11953530508 is 80503535911.

It is an interprime number because it is at equal distance from previous prime (11953530499) and next prime (11953530517).

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, 49560 + ... + 162367.

It is an arithmetic number, because the mean of its divisors is an integer number (890097600).

Almost surely, 2^11953530508 is an apocalyptic number.

It is an amenable number.

11953530508 is a deficient number, since it is larger than the sum of its proper divisors (9408811892).

11953530508 is a wasteful number, since it uses less digits than its factorization.

11953530508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212229 (or 212227 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 11953530508 in words is "eleven billion, nine hundred fifty-three million, five hundred thirty thousand, five hundred eight".