155161852103 has 4 divisors (see below), whose sum is σ = 155166017328. Its totient is φ = 155157686880.

The previous prime is 155161852099. The next prime is 155161852121. The reversal of 155161852103 is 301258161551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155161852103 - 2² = 155161852099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155161852123) 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, 2026226 + ... + 2101407.

It is an arithmetic number, because the mean of its divisors is an integer number (38791504332).

Almost surely, 2^155161852103 is an apocalyptic number.

155161852103 is a deficient number, since it is larger than the sum of its proper divisors (4165225).

155161852103 is an equidigital number, since it uses as much as digits as its factorization.

155161852103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165224.

The product of its (nonzero) digits is 36000, while the sum is 38.

The spelling of 155161852103 in words is "one hundred fifty-five billion, one hundred sixty-one million, eight hundred fifty-two thousand, one hundred three".