155534454115 has 32 divisors (see below), whose sum is σ = 193032012096. Its totient is φ = 120215715840.

The previous prime is 155534454071. The next prime is 155534454137. The reversal of 155534454115 is 511454435551.

155534454115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155534454115 - 2²¹ = 155532356963 is a prime.

It is a super-3 number, since 3×155534454115³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 63716295 + ... + 63718735.

It is an arithmetic number, because the mean of its divisors is an integer number (6032250378).

Almost surely, 2^155534454115 is an apocalyptic number.

155534454115 is a deficient number, since it is larger than the sum of its proper divisors (37497557981).

155534454115 is a wasteful number, since it uses less digits than its factorization.

155534454115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759.

The product of its digits is 600000, while the sum is 43.

Adding to 155534454115 its reverse (511454435551), we get a palindrome (666988889666).

The spelling of 155534454115 in words is "one hundred fifty-five billion, five hundred thirty-four million, four hundred fifty-four thousand, one hundred fifteen".