11112019999947 has 24 divisors (see below), whose sum is σ = 17282902506480. Its totient is φ = 6854074145280.

The previous prime is 11112019999939. The next prime is 11112019999973. The reversal of 11112019999947 is 74999991021111.

It is not a de Polignac number, because 11112019999947 - 2³ = 11112019999939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112019999987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 615478954 + ... + 615497007.

It is an arithmetic number, because the mean of its divisors is an integer number (720120937770).

Almost surely, 2^{11112019999947} is an apocalyptic number.

11112019999947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11112019999947 is a deficient number, since it is larger than the sum of its proper divisors (6170882506533).

11112019999947 is a wasteful number, since it uses less digits than its factorization.

11112019999947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230976043 (or 1230976040 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 63.

The spelling of 11112019999947 in words is "eleven trillion, one hundred twelve billion, nineteen million, nine hundred ninety-nine thousand, nine hundred forty-seven".