155335548068 has 6 divisors (see below), whose sum is σ = 271837209126. Its totient is φ = 77667774032.

The previous prime is 155335548037. The next prime is 155335548073. The reversal of 155335548068 is 860845533551.

It can be written as a sum of positive squares in only one way, i.e., 152031367744 + 3304180324 = 389912^2 + 57482^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19416943505 + ... + 19416943512.

It is an arithmetic number, because the mean of its divisors is an integer number (45306201521).

Almost surely, 2^155335548068 is an apocalyptic number.

It is an amenable number.

155335548068 is a deficient number, since it is larger than the sum of its proper divisors (116501661058).

155335548068 is a wasteful number, since it uses less digits than its factorization.

155335548068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38833887021 (or 38833887019 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 53.

The spelling of 155335548068 in words is "one hundred fifty-five billion, three hundred thirty-five million, five hundred forty-eight thousand, sixty-eight".