11807436078025 has 81 divisors (see below), whose sum is σ = 17604312836967. Its totient is φ = 7832875226400.

The previous prime is 11807436078013. The next prime is 11807436078049. The reversal of 11807436078025 is 52087063470811.

The square root of 11807436078025 is 3436195.

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

It can be written as a sum of positive squares in only one way, i.e., 4250676988089 + 7556759089936 = 2061717^2 + 2748956^2 .

It is not a de Polignac number, because 11807436078025 - 2⁷ = 11807436077897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3728269992 + ... + 3728273158.

Almost surely, 2^{11807436078025} is an apocalyptic number.

11807436078025 is the 3436195-th square number.

11807436078025 is the 1718098-th centered octagonal number.

It is an amenable number.

11807436078025 is a deficient number, since it is larger than the sum of its proper divisors (5796876758942).

11807436078025 is an frugal number, since it uses more digits than its factorization.

11807436078025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 11807436078025 in words is "eleven trillion, eight hundred seven billion, four hundred thirty-six million, seventy-eight thousand, twenty-five".