5214155577721 has 4 divisors (see below), whose sum is σ = 5214483383632. Its totient is φ = 5213827771812.

The previous prime is 5214155577647. The next prime is 5214155577731. The reversal of 5214155577721 is 1277755514125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5214155577721 - 2¹⁹ = 5214155053433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5214155577731) 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, 163879095 + ... + 163910908.

It is an arithmetic number, because the mean of its divisors is an integer number (1303620845908).

Almost surely, 2^{5214155577721} is an apocalyptic number.

It is an amenable number.

5214155577721 is a deficient number, since it is larger than the sum of its proper divisors (327805911).

5214155577721 is a wasteful number, since it uses less digits than its factorization.

5214155577721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327805910.

The product of its digits is 3430000, while the sum is 52.

The spelling of 5214155577721 in words is "five trillion, two hundred fourteen billion, one hundred fifty-five million, five hundred seventy-seven thousand, seven hundred twenty-one".