11265270580 has 24 divisors (see below), whose sum is σ = 23866427592. Its totient is φ = 4466230272.

The previous prime is 11265270571. The next prime is 11265270581. The reversal of 11265270580 is 8507256211.

It can be written as a sum of positive squares in 4 ways, for example, as 1432168336 + 9833102244 = 37844^2 + 99162^2 .

It is a super-2 number, since 2×11265270580² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11265270581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490057 + ... + 2494576.

It is an arithmetic number, because the mean of its divisors is an integer number (994434483).

Almost surely, 2^11265270580 is an apocalyptic number.

11265270580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11265270580 is an abundant number, since it is smaller than the sum of its proper divisors (12601157012).

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

11265270580 is a wasteful number, since it uses less digits than its factorization.

11265270580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984755 (or 4984753 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 11265270580 in words is "eleven billion, two hundred sixty-five million, two hundred seventy thousand, five hundred eighty".