11255245203530 has 64 divisors (see below), whose sum is σ = 21881760111360. Its totient is φ = 4155483526656.

The previous prime is 11255245203509. The next prime is 11255245203547. The reversal of 11255245203530 is 3530254255211.

It is a super-2 number, since 2×11255245203530² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11211209 + ... + 12173811.

It is an arithmetic number, because the mean of its divisors is an integer number (341902501740).

Almost surely, 2^{11255245203530} is an apocalyptic number.

11255245203530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11255245203530 is a deficient number, since it is larger than the sum of its proper divisors (10626514907830).

11255245203530 is a wasteful number, since it uses less digits than its factorization.

11255245203530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964415.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 11255245203530 its reverse (3530254255211), we get a palindrome (14785499458741).

The spelling of 11255245203530 in words is "eleven trillion, two hundred fifty-five billion, two hundred forty-five million, two hundred three thousand, five hundred thirty".