11611057447 has 8 divisors (see below), whose sum is σ = 12739827600. Its totient is φ = 10494490560.

The previous prime is 11611057441. The next prime is 11611057459. The reversal of 11611057447 is 74475011611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11611057447 - 2¹⁹ = 11610533159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611057441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048822 + ... + 3052627.

It is an arithmetic number, because the mean of its divisors is an integer number (1592478450).

Almost surely, 2^11611057447 is an apocalyptic number.

11611057447 is a deficient number, since it is larger than the sum of its proper divisors (1128770153).

11611057447 is a wasteful number, since it uses less digits than its factorization.

11611057447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101633.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 11611057447 in words is "eleven billion, six hundred eleven million, fifty-seven thousand, four hundred forty-seven".