11747491017 has 16 divisors (see below), whose sum is σ = 16347458688. Its totient is φ = 7489722240.

The previous prime is 11747490967. The next prime is 11747491037. The reversal of 11747491017 is 71019474711.

It is not a de Polignac number, because 11747491017 - 2¹⁸ = 11747228873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11747491017.

It is not an unprimeable number, because it can be changed into a prime (11747491037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439167 + ... + 465147.

It is an arithmetic number, because the mean of its divisors is an integer number (1021716168).

Almost surely, 2^11747491017 is an apocalyptic number.

It is an amenable number.

11747491017 is a deficient number, since it is larger than the sum of its proper divisors (4599967671).

11747491017 is a wasteful number, since it uses less digits than its factorization.

11747491017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32560.

The product of its (nonzero) digits is 49392, while the sum is 42.

The spelling of 11747491017 in words is "eleven billion, seven hundred forty-seven million, four hundred ninety-one thousand, seventeen".