11725340530 has 8 divisors (see below), whose sum is σ = 21105612972. Its totient is φ = 4690136208.

The previous prime is 11725340489. The next prime is 11725340531. The reversal of 11725340530 is 3504352711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11713083529 + 12257001 = 108227^2 + 3501^2 .

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

It is a super-2 number, since 2×11725340530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11725340492 and 11725340501.

It is not an unprimeable number, because it can be changed into a prime (11725340531) 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, 586267017 + ... + 586267036.

Almost surely, 2^11725340530 is an apocalyptic number.

11725340530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11725340530 is a deficient number, since it is larger than the sum of its proper divisors (9380272442).

11725340530 is a wasteful number, since it uses less digits than its factorization.

11725340530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172534060.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 11725340530 in words is "eleven billion, seven hundred twenty-five million, three hundred forty thousand, five hundred thirty".