5551105021139 has 4 divisors (see below), whose sum is σ = 5551112273856. Its totient is φ = 5551097768424.

The previous prime is 5551105021127. The next prime is 5551105021151. The reversal of 5551105021139 is 9311205011555.

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

It is an interprime number because it is at equal distance from previous prime (5551105021127) and next prime (5551105021151).

It is a cyclic number.

It is not a de Polignac number, because 5551105021139 - 2⁴ = 5551105021123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551105024139) 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, 2321864 + ... + 4061189.

It is an arithmetic number, because the mean of its divisors is an integer number (1387778068464).

Almost surely, 2^{5551105021139} is an apocalyptic number.

5551105021139 is a deficient number, since it is larger than the sum of its proper divisors (7252717).

5551105021139 is an equidigital number, since it uses as much as digits as its factorization.

5551105021139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252716.

The product of its (nonzero) digits is 33750, while the sum is 38.

The spelling of 5551105021139 in words is "five trillion, five hundred fifty-one billion, one hundred five million, twenty-one thousand, one hundred thirty-nine".