5220742225545 has 192 divisors, whose sum is σ = 12013028352000. Its totient is φ = 2075324549760.

The previous prime is 5220742225537. The next prime is 5220742225549. The reversal of 5220742225545 is 5455222470225.

5220742225545 is a `hidden beast` number, since 5 + 2 + 2 + 0 + 74 + 2 + 22 + 554 + 5 = 666.

It is not a de Polignac number, because 5220742225545 - 2³ = 5220742225537 is a prime.

It is a super-2 number, since 2×5220742225545² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5220742225545.

It is not an unprimeable number, because it can be changed into a prime (5220742225549) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3236596 + ... + 4573514.

It is an arithmetic number, because the mean of its divisors is an integer number (62567856000).

Almost surely, 2^{5220742225545} is an apocalyptic number.

5220742225545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5220742225545 is an abundant number, since it is smaller than the sum of its proper divisors (6792286126455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5220742225545 is a wasteful number, since it uses less digits than its factorization.

5220742225545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336985 (or 1336968 counting only the distinct ones).

The product of its (nonzero) digits is 2240000, while the sum is 45.

The spelling of 5220742225545 in words is "five trillion, two hundred twenty billion, seven hundred forty-two million, two hundred twenty-five thousand, five hundred forty-five".