11959436045 has 8 divisors (see below), whose sum is σ = 14352378720. Its totient is φ = 9566845200.

The previous prime is 11959436023. The next prime is 11959436051. The reversal of 11959436045 is 54063495911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11959436045 is a prime.

It is a super-2 number, since 2×11959436045² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 6275 + ... + 154784.

It is an arithmetic number, because the mean of its divisors is an integer number (1794047340).

Almost surely, 2^11959436045 is an apocalyptic number.

It is an amenable number.

11959436045 is a deficient number, since it is larger than the sum of its proper divisors (2392942675).

11959436045 is a wasteful number, since it uses less digits than its factorization.

11959436045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175915.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 11959436045 in words is "eleven billion, nine hundred fifty-nine million, four hundred thirty-six thousand, forty-five".