2161506024103 has 2 divisors, whose sum is σ = 2161506024104. Its totient is φ = 2161506024102.

The previous prime is 2161506024079. The next prime is 2161506024163. The reversal of 2161506024103 is 3014206051612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2161506024103 - 2²⁵ = 2161472469671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2161506024163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080753012051 + 1080753012052.

It is an arithmetic number, because the mean of its divisors is an integer number (1080753012052).

Almost surely, 2^{2161506024103} is an apocalyptic number.

2161506024103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161506024103 is an equidigital number, since it uses as much as digits as its factorization.

2161506024103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 2161506024103 in words is "two trillion, one hundred sixty-one billion, five hundred six million, twenty-four thousand, one hundred three".