2105552151667 has 4 divisors (see below), whose sum is σ = 2106294330096. Its totient is φ = 2104809973240.

The previous prime is 2105552151649. The next prime is 2105552151683. The reversal of 2105552151667 is 7661512555012.

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 2105552151667 - 2²⁷ = 2105417933939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105552155667) 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, 371084959 + ... + 371090632.

It is an arithmetic number, because the mean of its divisors is an integer number (526573582524).

Almost surely, 2^{2105552151667} is an apocalyptic number.

2105552151667 is a deficient number, since it is larger than the sum of its proper divisors (742178429).

2105552151667 is an equidigital number, since it uses as much as digits as its factorization.

2105552151667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742178428.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 2105552151667 in words is "two trillion, one hundred five billion, five hundred fifty-two million, one hundred fifty-one thousand, six hundred sixty-seven".