11847954245 has 16 divisors (see below), whose sum is σ = 15265905408. Its totient is φ = 8795162880.

The previous prime is 11847954221. The next prime is 11847954253. The reversal of 11847954245 is 54245974811.

It is not a de Polignac number, because 11847954245 - 2⁸ = 11847953989 is a prime.

It is a super-2 number, since 2×11847954245² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11847954193 and 11847954202.

It is a congruent number.

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, 975569 + ... + 987638.

It is an arithmetic number, because the mean of its divisors is an integer number (954119088).

Almost surely, 2^11847954245 is an apocalyptic number.

It is an amenable number.

11847954245 is a deficient number, since it is larger than the sum of its proper divisors (3417951163).

11847954245 is a wasteful number, since it uses less digits than its factorization.

11847954245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963300.

The product of its digits is 1612800, while the sum is 50.

The spelling of 11847954245 in words is "eleven billion, eight hundred forty-seven million, nine hundred fifty-four thousand, two hundred forty-five".