155848648061 has 8 divisors (see below), whose sum is σ = 165658306680. Its totient is φ = 146110332928.

The previous prime is 155848648057. The next prime is 155848648073. The reversal of 155848648061 is 160846848551.

155848648061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 135796672036 + 20051976025 = 368506^2 + 141605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155848648061 - 2² = 155848648057 is a prime.

It is a super-2 number, since 2×155848648061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155848647988 and 155848648006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155848648091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17831366 + ... + 17840103.

It is an arithmetic number, because the mean of its divisors is an integer number (20707288335).

Almost surely, 2^155848648061 is an apocalyptic number.

It is an amenable number.

155848648061 is a deficient number, since it is larger than the sum of its proper divisors (9809658619).

155848648061 is a wasteful number, since it uses less digits than its factorization.

155848648061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35671743.

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 155848648061 in words is "one hundred fifty-five billion, eight hundred forty-eight million, six hundred forty-eight thousand, sixty-one".