545332121253 has 12 divisors (see below), whose sum is σ = 791435140288. Its totient is φ = 361831737960.

The previous prime is 545332121249. The next prime is 545332121291. The reversal of 545332121253 is 352121233545.

545332121253 is a `hidden beast` number, since 5 + 453 + 32 + 121 + 2 + 53 = 666.

It is not a de Polignac number, because 545332121253 - 2² = 545332121249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545332121203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143582125 + ... + 143585922.

Almost surely, 2^545332121253 is an apocalyptic number.

It is an amenable number.

545332121253 is a deficient number, since it is larger than the sum of its proper divisors (246103019035).

545332121253 is a wasteful number, since it uses less digits than its factorization.

545332121253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287168264 (or 287168261 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 545332121253 its reverse (352121233545), we get a palindrome (897453354798).

The spelling of 545332121253 in words is "five hundred forty-five billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred fifty-three".