7155380453 has 16 divisors (see below), whose sum is σ = 7982782080. Its totient is φ = 6368193216.

The previous prime is 7155380447. The next prime is 7155380501. The reversal of 7155380453 is 3540835517.

It is a cyclic number.

It is not a de Polignac number, because 7155380453 - 2⁶ = 7155380389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7155380453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7155320453) 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 15 ways as a sum of consecutive naturals, for example, 261026 + ... + 287132.

It is an arithmetic number, because the mean of its divisors is an integer number (498923880).

Almost surely, 2^7155380453 is an apocalyptic number.

It is an amenable number.

7155380453 is a deficient number, since it is larger than the sum of its proper divisors (827401627).

7155380453 is a wasteful number, since it uses less digits than its factorization.

7155380453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26876.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 7155380453 is about 84589.4819289018. The cubic root of 7155380453 is about 1926.9816398395.

The spelling of 7155380453 in words is "seven billion, one hundred fifty-five million, three hundred eighty thousand, four hundred fifty-three".