155601016150005 has 48 divisors (see below), whose sum is σ = 270203875649136. Its totient is φ = 82834805299200.

The previous prime is 155601016149977. The next prime is 155601016150049. The reversal of 155601016150005 is 500051610106551.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1392454280529 + 154208561869476 = 1180023^2 + 12418074^2 .

It is not a de Polignac number, because 155601016150005 - 2¹¹ = 155601016147957 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178381099 + ... + 179251271.

It is an arithmetic number, because the mean of its divisors is an integer number (5629247409357).

Almost surely, 2^{155601016150005} is an apocalyptic number.

155601016150005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155601016150005 is a deficient number, since it is larger than the sum of its proper divisors (114602859499131).

155601016150005 is a wasteful number, since it uses less digits than its factorization.

155601016150005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877478 (or 877475 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

Adding to 155601016150005 its reverse (500051610106551), we get a palindrome (655652626256556).

The spelling of 155601016150005 in words is "one hundred fifty-five trillion, six hundred one billion, sixteen million, one hundred fifty thousand, five".