159455554901 has 2 divisors, whose sum is σ = 159455554902. Its totient is φ = 159455554900.

The previous prime is 159455554897. The next prime is 159455554931. The reversal of 159455554901 is 109455554951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90404854276 + 69050700625 = 300674^2 + 262775^2 .

It is a cyclic number.

It is not a de Polignac number, because 159455554901 - 2² = 159455554897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159455554931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79727777450 + 79727777451.

It is an arithmetic number, because the mean of its divisors is an integer number (79727777451).

Almost surely, 2^159455554901 is an apocalyptic number.

It is an amenable number.

159455554901 is a deficient number, since it is larger than the sum of its proper divisors (1).

159455554901 is an equidigital number, since it uses as much as digits as its factorization.

159455554901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050000, while the sum is 53.

The spelling of 159455554901 in words is "one hundred fifty-nine billion, four hundred fifty-five million, five hundred fifty-four thousand, nine hundred one".