155851113 has 8 divisors (see below), whose sum is σ = 226692576. Its totient is φ = 94455200.

The previous prime is 155851103. The next prime is 155851117. The reversal of 155851113 is 311158551.

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

It is a cyclic number.

It is not a de Polignac number, because 155851113 - 2⁵ = 155851081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155851117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361348 + ... + 2361413.

It is an arithmetic number, because the mean of its divisors is an integer number (28336572).

Almost surely, 2^155851113 is an apocalyptic number.

It is an amenable number.

155851113 is a deficient number, since it is larger than the sum of its proper divisors (70841463).

155851113 is a wasteful number, since it uses less digits than its factorization.

155851113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722775.

The product of its digits is 3000, while the sum is 30.

The square root of 155851113 is about 12484.0343238875. The cubic root of 155851113 is about 538.1499480691.

The spelling of 155851113 in words is "one hundred fifty-five million, eight hundred fifty-one thousand, one hundred thirteen".