11430597892 has 72 divisors (see below), whose sum is σ = 24227040600. Its totient is φ = 4699408896.

The previous prime is 11430597881. The next prime is 11430597907. The reversal of 11430597892 is 29879503411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 467251456 + 10963346436 = 21616^2 + 104706^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885984 + ... + 898792.

It is an arithmetic number, because the mean of its divisors is an integer number (336486675).

Almost surely, 2^11430597892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11430597892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12113520300).

11430597892 is an abundant number, since it is smaller than the sum of its proper divisors (12796442708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11430597892 is a wasteful number, since it uses less digits than its factorization.

11430597892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013 (or 13004 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 11430597892 in words is "eleven billion, four hundred thirty million, five hundred ninety-seven thousand, eight hundred ninety-two".