5042120545 has 16 divisors (see below), whose sum is σ = 7543536768. Its totient is φ = 3143139840.

The previous prime is 5042120537. The next prime is 5042120549. The reversal of 5042120545 is 5450212405.

It is not a de Polignac number, because 5042120545 - 2³ = 5042120537 is a prime.

It is a super-2 number, since 2×5042120545² = 50845959180622194050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5042120549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6547824 + ... + 6548593.

It is an arithmetic number, because the mean of its divisors is an integer number (471471048).

Almost surely, 2^5042120545 is an apocalyptic number.

5042120545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5042120545 is a deficient number, since it is larger than the sum of its proper divisors (2501416223).

5042120545 is a wasteful number, since it uses less digits than its factorization.

5042120545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096440.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5042120545 is about 71007.8907234964. The cubic root of 5042120545 is about 1714.7642007377.

The spelling of 5042120545 in words is "five billion, forty-two million, one hundred twenty thousand, five hundred forty-five".