5155530277881 has 4 divisors (see below), whose sum is σ = 6874040370512. Its totient is φ = 3437020185252.

The previous prime is 5155530277879. The next prime is 5155530277907. The reversal of 5155530277881 is 1887720355515.

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 not a de Polignac number, because 5155530277881 - 2¹ = 5155530277879 is a prime.

It is a super-2 number, since 2×5155530277881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155530277831) 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, 859255046311 + ... + 859255046316.

It is an arithmetic number, because the mean of its divisors is an integer number (1718510092628).

Almost surely, 2^{5155530277881} is an apocalyptic number.

It is an amenable number.

5155530277881 is a deficient number, since it is larger than the sum of its proper divisors (1718510092631).

5155530277881 is a wasteful number, since it uses less digits than its factorization.

5155530277881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718510092630.

The product of its (nonzero) digits is 11760000, while the sum is 57.

The spelling of 5155530277881 in words is "five trillion, one hundred fifty-five billion, five hundred thirty million, two hundred seventy-seven thousand, eight hundred eighty-one".