11531368407 has 8 divisors (see below), whose sum is σ = 16557862384. Its totient is φ = 7096226688.

The previous prime is 11531368363. The next prime is 11531368427. The reversal of 11531368407 is 70486313511.

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

It is not a de Polignac number, because 11531368407 - 2¹¹ = 11531366359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 295676113 = 11531368407 / (1 + 1 + 5 + 3 + 1 + 3 + 6 + 8 + 4 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11531368427) 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, 147838018 + ... + 147838095.

It is an arithmetic number, because the mean of its divisors is an integer number (2069732798).

Almost surely, 2^11531368407 is an apocalyptic number.

11531368407 is a deficient number, since it is larger than the sum of its proper divisors (5026493977).

11531368407 is a wasteful number, since it uses less digits than its factorization.

11531368407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295676129.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 11531368407 in words is "eleven billion, five hundred thirty-one million, three hundred sixty-eight thousand, four hundred seven".