5015942077781 has 4 divisors (see below), whose sum is σ = 5017422146700. Its totient is φ = 5014462008864.

The previous prime is 5015942077771. The next prime is 5015942077787. The reversal of 5015942077781 is 1877702495105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2087565515281 + 2928376562500 = 1444841^2 + 1711250^2 .

It is a cyclic number.

It is not a de Polignac number, because 5015942077781 - 2⁶ = 5015942077717 is a prime.

It is a super-2 number, since 2×5015942077781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5015942077787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740029376 + ... + 740036153.

It is an arithmetic number, because the mean of its divisors is an integer number (1254355536675).

Almost surely, 2^{5015942077781} is an apocalyptic number.

It is an amenable number.

5015942077781 is a deficient number, since it is larger than the sum of its proper divisors (1480068919).

5015942077781 is a wasteful number, since it uses less digits than its factorization.

5015942077781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480068918.

The product of its (nonzero) digits is 4939200, while the sum is 56.

The spelling of 5015942077781 in words is "five trillion, fifteen billion, nine hundred forty-two million, seventy-seven thousand, seven hundred eighty-one".