155282053897 has 2 divisors, whose sum is σ = 155282053898. Its totient is φ = 155282053896.

The previous prime is 155282053873. The next prime is 155282053933. The reversal of 155282053897 is 798350282551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86544225856 + 68737828041 = 294184^2 + 262179^2 .

It is a cyclic number.

It is not a de Polignac number, because 155282053897 - 2²⁷ = 155147836169 is a prime.

It is a super-2 number, since 2×155282053897² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155282053807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77641026948 + 77641026949.

It is an arithmetic number, because the mean of its divisors is an integer number (77641026949).

Almost surely, 2^155282053897 is an apocalyptic number.

It is an amenable number.

155282053897 is a deficient number, since it is larger than the sum of its proper divisors (1).

155282053897 is an equidigital number, since it uses as much as digits as its factorization.

155282053897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 155282053897 in words is "one hundred fifty-five billion, two hundred eighty-two million, fifty-three thousand, eight hundred ninety-seven".