2443556805157 has 16 divisors (see below), whose sum is σ = 2770678249920. Its totient is φ = 2136370809600.

The previous prime is 2443556805143. The next prime is 2443556805163. The reversal of 2443556805157 is 7515086553442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2443556805157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2443556805098 and 2443556805107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443556805127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118819 + ... + 2213872.

It is an arithmetic number, because the mean of its divisors is an integer number (173167390620).

Almost surely, 2^{2443556805157} is an apocalyptic number.

It is an amenable number.

2443556805157 is a deficient number, since it is larger than the sum of its proper divisors (327121444763).

2443556805157 is a wasteful number, since it uses less digits than its factorization.

2443556805157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336964.

The product of its (nonzero) digits is 20160000, while the sum is 55.

The spelling of 2443556805157 in words is "two trillion, four hundred forty-three billion, five hundred fifty-six million, eight hundred five thousand, one hundred fifty-seven".