11895742845 has 24 divisors (see below), whose sum is σ = 23564900736. Its totient is φ = 5438053728.

The previous prime is 11895742823. The next prime is 11895742879. The reversal of 11895742845 is 54824759811.

11895742845 is a `hidden beast` number, since 1 + 1 + 8 + 9 + 574 + 28 + 45 = 666.

It is not a de Polignac number, because 11895742845 - 2¹¹ = 11895740797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11895742791 and 11895742800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18881817 + ... + 18882446.

It is an arithmetic number, because the mean of its divisors is an integer number (981870864).

Almost surely, 2^11895742845 is an apocalyptic number.

11895742845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11895742845 is a deficient number, since it is larger than the sum of its proper divisors (11669157891).

11895742845 is a wasteful number, since it uses less digits than its factorization.

11895742845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37764281 (or 37764278 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The spelling of 11895742845 in words is "eleven billion, eight hundred ninety-five million, seven hundred forty-two thousand, eight hundred forty-five".