155880897649259 has 2 divisors, whose sum is σ = 155880897649260. Its totient is φ = 155880897649258.

The previous prime is 155880897649187. The next prime is 155880897649273. The reversal of 155880897649259 is 952946798088551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155880897649259 - 2³² = 155876602681963 is a prime.

It is not a weakly prime, because it can be changed into another prime (155880897649159) 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 as a sum of consecutive naturals, namely, 77940448824629 + 77940448824630.

It is an arithmetic number, because the mean of its divisors is an integer number (77940448824630).

Almost surely, 2^{155880897649259} is an apocalyptic number.

155880897649259 is a deficient number, since it is larger than the sum of its proper divisors (1).

155880897649259 is an equidigital number, since it uses as much as digits as its factorization.

155880897649259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416000, while the sum is 86.

The spelling of 155880897649259 in words is "one hundred fifty-five trillion, eight hundred eighty billion, eight hundred ninety-seven million, six hundred forty-nine thousand, two hundred fifty-nine".