11537730730 has 8 divisors (see below), whose sum is σ = 20767915332. Its totient is φ = 4615092288.

The previous prime is 11537730703. The next prime is 11537730733. The reversal of 11537730730 is 3703773511.

It can be written as a sum of positive squares in 2 ways, for example, as 11528531641 + 9199089 = 107371^2 + 3033^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11537730730.

It is not an unprimeable number, because it can be changed into a prime (11537730733) 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, 576886527 + ... + 576886546.

Almost surely, 2^11537730730 is an apocalyptic number.

11537730730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11537730730 is a deficient number, since it is larger than the sum of its proper divisors (9230184602).

11537730730 is a wasteful number, since it uses less digits than its factorization.

11537730730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153773080.

The product of its (nonzero) digits is 46305, while the sum is 37.

The spelling of 11537730730 in words is "eleven billion, five hundred thirty-seven million, seven hundred thirty thousand, seven hundred thirty".