7135540780225 has 24 divisors (see below), whose sum is σ = 10394936056512. Its totient is φ = 4790293108800.

The previous prime is 7135540780219. The next prime is 7135540780229. The reversal of 7135540780225 is 5220870455317.

It is not a de Polignac number, because 7135540780225 - 2³ = 7135540780217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7135540780229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997974157 + ... + 997981306.

It is an arithmetic number, because the mean of its divisors is an integer number (433122335688).

Almost surely, 2^{7135540780225} is an apocalyptic number.

It is an amenable number.

7135540780225 is a deficient number, since it is larger than the sum of its proper divisors (3259395276287).

7135540780225 is a wasteful number, since it uses less digits than its factorization.

7135540780225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995955497 (or 1995955492 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 7135540780225 in words is "seven trillion, one hundred thirty-five billion, five hundred forty million, seven hundred eighty thousand, two hundred twenty-five".