5155445355445 has 32 divisors (see below), whose sum is σ = 7901205854976. Its totient is φ = 3135399129600.

The previous prime is 5155445355439. The next prime is 5155445355499. The reversal of 5155445355445 is 5445535445515.

It is not a de Polignac number, because 5155445355445 - 2⁷ = 5155445355317 is a prime.

It is a super-2 number, since 2×5155445355445² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163286254 + ... + 163317823.

It is an arithmetic number, because the mean of its divisors is an integer number (246912682968).

Almost surely, 2^{5155445355445} is an apocalyptic number.

5155445355445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5155445355445 is a deficient number, since it is larger than the sum of its proper divisors (2745760499531).

5155445355445 is a wasteful number, since it uses less digits than its factorization.

5155445355445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326604141.

The product of its digits is 60000000, while the sum is 55.

The spelling of 5155445355445 in words is "five trillion, one hundred fifty-five billion, four hundred forty-five million, three hundred fifty-five thousand, four hundred forty-five".