11471720058 has 12 divisors (see below), whose sum is σ = 24855393498. Its totient is φ = 3823906680.

The previous prime is 11471720033. The next prime is 11471720077. The reversal of 11471720058 is 85002717411.

11471720058 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8642863089 + 2828856969 = 92967^2 + 53187^2 .

It is a super-2 number, since 2×11471720058² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318658873 + ... + 318658908.

Almost surely, 2^11471720058 is an apocalyptic number.

11471720058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11471720058 is an abundant number, since it is smaller than the sum of its proper divisors (13383673440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11471720058 is a wasteful number, since it uses less digits than its factorization.

11471720058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637317789 (or 637317786 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The spelling of 11471720058 in words is "eleven billion, four hundred seventy-one million, seven hundred twenty thousand, fifty-eight".