2145555455350 has 12 divisors (see below), whose sum is σ = 3990733147044. Its totient is φ = 858222182120.

The previous prime is 2145555455299. The next prime is 2145555455353. The reversal of 2145555455350 is 535545555412.

It is a junction number, because it is equal to n+sod(n) for n = 2145555455294 and 2145555455303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145555455353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21455554504 + ... + 21455554603.

It is an arithmetic number, because the mean of its divisors is an integer number (332561095587).

Almost surely, 2^{2145555455350} is an apocalyptic number.

2145555455350 is a deficient number, since it is larger than the sum of its proper divisors (1845177691694).

2145555455350 is a wasteful number, since it uses less digits than its factorization.

2145555455350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42911109119 (or 42911109114 counting only the distinct ones).

The product of its (nonzero) digits is 7500000, while the sum is 49.

The spelling of 2145555455350 in words is "two trillion, one hundred forty-five billion, five hundred fifty-five million, four hundred fifty-five thousand, three hundred fifty".