155051005105113 has 16 divisors (see below), whose sum is σ = 222653150395200. Its totient is φ = 95409227542464.

The previous prime is 155051005105111. The next prime is 155051005105279. The reversal of 155051005105113 is 311501500150551.

It is a happy number.

It is not a de Polignac number, because 155051005105113 - 2¹ = 155051005105111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155051005105111) 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 15 ways as a sum of consecutive naturals, for example, 140602038 + ... + 141700511.

It is an arithmetic number, because the mean of its divisors is an integer number (13915821899700).

Almost surely, 2^{155051005105113} is an apocalyptic number.

155051005105113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155051005105113 is a deficient number, since it is larger than the sum of its proper divisors (67602145290087).

155051005105113 is a wasteful number, since it uses less digits than its factorization.

155051005105113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282316648.

The product of its (nonzero) digits is 9375, while the sum is 33.

Adding to 155051005105113 its reverse (311501500150551), we get a palindrome (466552505255664).

The spelling of 155051005105113 in words is "one hundred fifty-five trillion, fifty-one billion, five million, one hundred five thousand, one hundred thirteen".