155403053133 has 8 divisors (see below), whose sum is σ = 211612668288. Its totient is φ = 101397736704.

The previous prime is 155403053119. The next prime is 155403053149. The reversal of 155403053133 is 331350304551.

It is a happy number.

155403053133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155403053133 - 2⁸ = 155403052877 is a prime.

It is a super-2 number, since 2×155403053133² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155403053094 and 155403053103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155403058133) 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, 551074516 + ... + 551074797.

It is an arithmetic number, because the mean of its divisors is an integer number (26451583536).

Almost surely, 2^155403053133 is an apocalyptic number.

It is an amenable number.

155403053133 is a deficient number, since it is larger than the sum of its proper divisors (56209615155).

155403053133 is a wasteful number, since it uses less digits than its factorization.

155403053133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102149363.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 155403053133 its reverse (331350304551), we get a palindrome (486753357684).

The spelling of 155403053133 in words is "one hundred fifty-five billion, four hundred three million, fifty-three thousand, one hundred thirty-three".