155015135110349 has 4 divisors (see below), whose sum is σ = 156977352010560. Its totient is φ = 153052918210140.

The previous prime is 155015135110337. The next prime is 155015135110411. The reversal of 155015135110349 is 943011531510551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155015135110349 - 2¹⁶ = 155015135044813 is a prime.

It is a super-2 number, since 2×155015135110349² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155015135110049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981108449987 + ... + 981108450144.

It is an arithmetic number, because the mean of its divisors is an integer number (39244338002640).

Almost surely, 2^{155015135110349} is an apocalyptic number.

It is an amenable number.

155015135110349 is a deficient number, since it is larger than the sum of its proper divisors (1962216900211).

155015135110349 is an equidigital number, since it uses as much as digits as its factorization.

155015135110349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962216900210.

The product of its (nonzero) digits is 202500, while the sum is 44.

The spelling of 155015135110349 in words is "one hundred fifty-five trillion, fifteen billion, one hundred thirty-five million, one hundred ten thousand, three hundred forty-nine".