157775655181093 has 2 divisors, whose sum is σ = 157775655181094. Its totient is φ = 157775655181092.

The previous prime is 157775655181063. The next prime is 157775655181219. The reversal of 157775655181093 is 390181556577751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120803685691329 + 36971969489764 = 10991073^2 + 6080458^2 .

It is a cyclic number.

It is not a de Polignac number, because 157775655181093 - 2⁹ = 157775655180581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157775655181043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78887827590546 + 78887827590547.

It is an arithmetic number, because the mean of its divisors is an integer number (78887827590547).

Almost surely, 2^{157775655181093} is an apocalyptic number.

It is an amenable number.

157775655181093 is a deficient number, since it is larger than the sum of its proper divisors (1).

157775655181093 is an equidigital number, since it uses as much as digits as its factorization.

157775655181093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277830000, while the sum is 70.

The spelling of 157775655181093 in words is "one hundred fifty-seven trillion, seven hundred seventy-five billion, six hundred fifty-five million, one hundred eighty-one thousand, ninety-three".