7272572247155 has 16 divisors (see below), whose sum is σ = 8948650669344. Its totient is φ = 5672036590080.

The previous prime is 7272572247107. The next prime is 7272572247209. The reversal of 7272572247155 is 5517422752727.

7272572247155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7272572247155 - 2²⁰ = 7272571198579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7272572247155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105472169 + ... + 105541098.

It is an arithmetic number, because the mean of its divisors is an integer number (559290666834).

Almost surely, 2^{7272572247155} is an apocalyptic number.

7272572247155 is a deficient number, since it is larger than the sum of its proper divisors (1676078422189).

7272572247155 is a wasteful number, since it uses less digits than its factorization.

7272572247155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211013446.

The product of its digits is 19208000, while the sum is 56.

The spelling of 7272572247155 in words is "seven trillion, two hundred seventy-two billion, five hundred seventy-two million, two hundred forty-seven thousand, one hundred fifty-five".