11711242402 has 8 divisors (see below), whose sum is σ = 17579662236. Its totient is φ = 5851354992.

The previous prime is 11711242391. The next prime is 11711242409. The reversal of 11711242402 is 20424211711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8519105401 + 3192137001 = 92299^2 + 56499^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11711242409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129673 + ... + 2135164.

Almost surely, 2^11711242402 is an apocalyptic number.

11711242402 is a deficient number, since it is larger than the sum of its proper divisors (5868419834).

11711242402 is a wasteful number, since it uses less digits than its factorization.

11711242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266212.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 11711242402 in words is "eleven billion, seven hundred eleven million, two hundred forty-two thousand, four hundred two".