155055322131 has 8 divisors (see below), whose sum is σ = 208747618560. Its totient is φ = 102366620232.

The previous prime is 155055322099. The next prime is 155055322139. The reversal of 155055322131 is 131223550551.

It is a happy number.

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

It is not a de Polignac number, because 155055322131 - 2⁵ = 155055322099 is a prime.

It is a super-2 number, since 2×155055322131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155055322092 and 155055322101.

It is not an unprimeable number, because it can be changed into a prime (155055322139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250898271 + ... + 250898888.

It is an arithmetic number, because the mean of its divisors is an integer number (26093452320).

Almost surely, 2^155055322131 is an apocalyptic number.

155055322131 is a deficient number, since it is larger than the sum of its proper divisors (53692296429).

155055322131 is a wasteful number, since it uses less digits than its factorization.

155055322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501797265.

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 155055322131 its reverse (131223550551), we get a palindrome (286278872682).

The spelling of 155055322131 in words is "one hundred fifty-five billion, fifty-five million, three hundred twenty-two thousand, one hundred thirty-one".