11930159530 has 16 divisors (see below), whose sum is σ = 22737480840. Its totient is φ = 4491354112.

The previous prime is 11930159477. The next prime is 11930159537. The reversal of 11930159530 is 3595103911.

It can be written as a sum of positive squares in 4 ways, for example, as 11909575161 + 20584369 = 109131^2 + 4537^2 .

It is a super-2 number, since 2×11930159530² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11930159530.

It is not an unprimeable number, because it can be changed into a prime (11930159537) 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, 35088535 + ... + 35088874.

Almost surely, 2^11930159530 is an apocalyptic number.

11930159530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11930159530 is a deficient number, since it is larger than the sum of its proper divisors (10807321310).

11930159530 is a wasteful number, since it uses less digits than its factorization.

11930159530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70177433.

The product of its (nonzero) digits is 18225, while the sum is 37.

The spelling of 11930159530 in words is "eleven billion, nine hundred thirty million, one hundred fifty-nine thousand, five hundred thirty".