11272701530 has 16 divisors (see below), whose sum is σ = 21484443240. Its totient is φ = 4243840512.

The previous prime is 11272701521. The next prime is 11272701571. The reversal of 11272701530 is 3510727211.

It can be written as a sum of positive squares in 4 ways, for example, as 11003380609 + 269320921 = 104897^2 + 16411^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11272701493 and 11272701502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33154835 + ... + 33155174.

Almost surely, 2^11272701530 is an apocalyptic number.

11272701530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11272701530 is a deficient number, since it is larger than the sum of its proper divisors (10211741710).

11272701530 is a wasteful number, since it uses less digits than its factorization.

11272701530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66310033.

The product of its (nonzero) digits is 2940, while the sum is 29.

The spelling of 11272701530 in words is "eleven billion, two hundred seventy-two million, seven hundred one thousand, five hundred thirty".