155891256883 has 2 divisors, whose sum is σ = 155891256884. Its totient is φ = 155891256882.

The previous prime is 155891256809. The next prime is 155891256889. The reversal of 155891256883 is 388652198551.

It is a strong prime.

It is an emirp because it is prime and its reverse (388652198551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155891256883 - 2⁹ = 155891256371 is a prime.

It is a super-2 number, since 2×155891256883² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155891256889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77945628441 + 77945628442.

It is an arithmetic number, because the mean of its divisors is an integer number (77945628442).

Almost surely, 2^155891256883 is an apocalyptic number.

155891256883 is a deficient number, since it is larger than the sum of its proper divisors (1).

155891256883 is an equidigital number, since it uses as much as digits as its factorization.

155891256883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736000, while the sum is 61.

The spelling of 155891256883 in words is "one hundred fifty-five billion, eight hundred ninety-one million, two hundred fifty-six thousand, eight hundred eighty-three".