2002105331551 has 4 divisors (see below), whose sum is σ = 2156113433992. Its totient is φ = 1848097229112.

The previous prime is 2002105331537. The next prime is 2002105331557. The reversal of 2002105331551 is 1551335012002.

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

It is a cyclic number.

It is not a de Polignac number, because 2002105331551 - 2³⁷ = 1864666378079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002105331557) 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, 77004051201 + ... + 77004051226.

It is an arithmetic number, because the mean of its divisors is an integer number (539028358498).

Almost surely, 2^{2002105331551} is an apocalyptic number.

2002105331551 is a deficient number, since it is larger than the sum of its proper divisors (154008102441).

2002105331551 is a wasteful number, since it uses less digits than its factorization.

2002105331551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154008102440.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 2002105331551 in words is "two trillion, two billion, one hundred five million, three hundred thirty-one thousand, five hundred fifty-one".