11207061813025 has 27 divisors (see below), whose sum is σ = 15048259440249. Its totient is φ = 8275823418720.

The previous prime is 11207061812987. The next prime is 11207061813029. The reversal of 11207061813025 is 52031816070211.

The square root of 11207061813025 is 3347695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2888636760801 + 8318425052224 = 1699599^2 + 2884168^2 .

It is not a de Polignac number, because 11207061813025 - 2⁷ = 11207061812897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11207061813029) 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 26 ways as a sum of consecutive naturals, for example, 217574424 + ... + 217625926.

Almost surely, 2^{11207061813025} is an apocalyptic number.

11207061813025 is the 3347695-th square number.

11207061813025 is the 1673848-th centered octagonal number.

It is an amenable number.

11207061813025 is a deficient number, since it is larger than the sum of its proper divisors (3841197627224).

11207061813025 is an frugal number, since it uses more digits than its factorization.

11207061813025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103042 (or 51521 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

Adding to 11207061813025 its reverse (52031816070211), we get a palindrome (63238877883236).

The spelling of 11207061813025 in words is "eleven trillion, two hundred seven billion, sixty-one million, eight hundred thirteen thousand, twenty-five".