155165301365013 has 64 divisors (see below), whose sum is σ = 237029045437440. Its totient is φ = 100246608806400.

The previous prime is 155165301365003. The next prime is 155165301365023. The reversal of 155165301365013 is 310563103561551.

It is a happy number.

155165301365013 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 6 + 5 + 3 + 0 + 136 + 501 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (155165301365003) and next prime (155165301365023).

It is not a de Polignac number, because 155165301365013 - 2⁹ = 155165301364501 is a prime.

It is a super-2 number, since 2×155165301365013² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155165301365013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155165301365003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 661537428 + ... + 661771938.

It is an arithmetic number, because the mean of its divisors is an integer number (3703578834960).

Almost surely, 2^{155165301365013} is an apocalyptic number.

It is an amenable number.

155165301365013 is a deficient number, since it is larger than the sum of its proper divisors (81863744072427).

155165301365013 is a wasteful number, since it uses less digits than its factorization.

155165301365013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237195 (or 237189 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The spelling of 155165301365013 in words is "one hundred fifty-five trillion, one hundred sixty-five billion, three hundred one million, three hundred sixty-five thousand, thirteen".