11530748431 has 8 divisors (see below), whose sum is σ = 11841880320. Its totient is φ = 11222358168.

The previous prime is 11530748293. The next prime is 11530748459. The reversal of 11530748431 is 13484703511.

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 11530748431 - 2¹³ = 11530740239 is a prime.

It is a super-2 number, since 2×11530748431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530748461) 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, 676881 + ... + 693706.

It is an arithmetic number, because the mean of its divisors is an integer number (1480235040).

Almost surely, 2^11530748431 is an apocalyptic number.

11530748431 is a deficient number, since it is larger than the sum of its proper divisors (311131889).

11530748431 is a wasteful number, since it uses less digits than its factorization.

11530748431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370813.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 11530748431 in words is "eleven billion, five hundred thirty million, seven hundred forty-eight thousand, four hundred thirty-one".