545225531515 has 8 divisors (see below), whose sum is σ = 747737871840. Its totient is φ = 373868935872.

The previous prime is 545225531509. The next prime is 545225531597. The reversal of 545225531515 is 515135522545.

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

It is a cyclic number.

It is not a de Polignac number, because 545225531515 - 2³ = 545225531507 is a prime.

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, 7788936130 + ... + 7788936199.

It is an arithmetic number, because the mean of its divisors is an integer number (93467233980).

Almost surely, 2^545225531515 is an apocalyptic number.

545225531515 is a deficient number, since it is larger than the sum of its proper divisors (202512340325).

545225531515 is a wasteful number, since it uses less digits than its factorization.

545225531515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15577872341.

The product of its digits is 750000, while the sum is 43.

The spelling of 545225531515 in words is "five hundred forty-five billion, two hundred twenty-five million, five hundred thirty-one thousand, five hundred fifteen".