157775655181043 has 2 divisors, whose sum is σ = 157775655181044. Its totient is φ = 157775655181042.

The previous prime is 157775655181037. The next prime is 157775655181063. The reversal of 157775655181043 is 340181556577751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157775655181043 - 2¹² = 157775655176947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (157775655181063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78887827590521 + 78887827590522.

It is an arithmetic number, because the mean of its divisors is an integer number (78887827590522).

Almost surely, 2^{157775655181043} is an apocalyptic number.

157775655181043 is a deficient number, since it is larger than the sum of its proper divisors (1).

157775655181043 is an equidigital number, since it uses as much as digits as its factorization.

157775655181043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480000, while the sum is 65.

The spelling of 157775655181043 in words is "one hundred fifty-seven trillion, seven hundred seventy-five billion, six hundred fifty-five million, one hundred eighty-one thousand, forty-three".