7265440655755 has 8 divisors (see below), whose sum is σ = 8721068431392. Its totient is φ = 5810659428288.

The previous prime is 7265440655743. The next prime is 7265440655771. The reversal of 7265440655755 is 5575560445627.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7265440655755 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7265440655693 and 7265440655702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211618159 + ... + 211652488.

It is an arithmetic number, because the mean of its divisors is an integer number (1090133553924).

Almost surely, 2^{7265440655755} is an apocalyptic number.

7265440655755 is a deficient number, since it is larger than the sum of its proper divisors (1455627775637).

7265440655755 is a wasteful number, since it uses less digits than its factorization.

7265440655755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423274085.

The product of its (nonzero) digits is 176400000, while the sum is 61.

The spelling of 7265440655755 in words is "seven trillion, two hundred sixty-five billion, four hundred forty million, six hundred fifty-five thousand, seven hundred fifty-five".