11709401361 has 32 divisors (see below), whose sum is σ = 18691319808. Its totient is φ = 6375198720.

The previous prime is 11709401357. The next prime is 11709401393. The reversal of 11709401361 is 16310490711.

It is not a de Polignac number, because 11709401361 - 2² = 11709401357 is a prime.

It is a super-2 number, since 2×11709401361² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11709401351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76966 + ... + 171296.

It is an arithmetic number, because the mean of its divisors is an integer number (584103744).

Almost surely, 2^11709401361 is an apocalyptic number.

It is an amenable number.

11709401361 is a deficient number, since it is larger than the sum of its proper divisors (6981918447).

11709401361 is a wasteful number, since it uses less digits than its factorization.

11709401361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94621.

The product of its (nonzero) digits is 4536, while the sum is 33.

The spelling of 11709401361 in words is "eleven billion, seven hundred nine million, four hundred one thousand, three hundred sixty-one".