155545331301 has 12 divisors (see below), whose sum is σ = 230748930412. Its totient is φ = 100894268736.

The previous prime is 155545331233. The next prime is 155545331311. The reversal of 155545331301 is 103133545551.

155545331301 is a `hidden beast` number, since 1 + 55 + 545 + 3 + 31 + 30 + 1 = 666.

155545331301 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 2 ways, for example, as 140775790401 + 14769540900 = 375201^2 + 121530^2 .

It is not a de Polignac number, because 155545331301 - 2¹⁵ = 155545298533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155545331311) 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 11 ways as a sum of consecutive naturals, for example, 233551216 + ... + 233551881.

Almost surely, 2^155545331301 is an apocalyptic number.

It is an amenable number.

155545331301 is a deficient number, since it is larger than the sum of its proper divisors (75203599111).

155545331301 is a wasteful number, since it uses less digits than its factorization.

155545331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467103140 (or 467103137 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 155545331301 its reverse (103133545551), we get a palindrome (258678876852).

The spelling of 155545331301 in words is "one hundred fifty-five billion, five hundred forty-five million, three hundred thirty-one thousand, three hundred one".