1155911713 has 8 divisors (see below), whose sum is σ = 1315820736. Its totient is φ = 1005140400.

The previous prime is 1155911699. The next prime is 1155911723. The reversal of 1155911713 is 3171195511.

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

It is not a de Polignac number, because 1155911713 - 2²⁹ = 619040801 is a prime.

It is a super-3 number, since 3×1155911713³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155911723) 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, 2284158 + ... + 2284663.

It is an arithmetic number, because the mean of its divisors is an integer number (164477592).

Almost surely, 2^1155911713 is an apocalyptic number.

It is an amenable number.

1155911713 is a deficient number, since it is larger than the sum of its proper divisors (159909023).

1155911713 is a wasteful number, since it uses less digits than its factorization.

1155911713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568855.

The product of its digits is 4725, while the sum is 34.

The square root of 1155911713 is about 33998.7016369743. The cubic root of 1155911713 is about 1049.4817436377.

The spelling of 1155911713 in words is "one billion, one hundred fifty-five million, nine hundred eleven thousand, seven hundred thirteen".