155112871 has 16 divisors (see below), whose sum is σ = 163565568. Its totient is φ = 146916000.

The previous prime is 155112863. The next prime is 155112901. The reversal of 155112871 is 178211551.

It is a cyclic number.

It is not a de Polignac number, because 155112871 - 2³ = 155112863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155112071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334786 + ... + 335248.

It is an arithmetic number, because the mean of its divisors is an integer number (10222848).

Almost surely, 2^155112871 is an apocalyptic number.

155112871 is a deficient number, since it is larger than the sum of its proper divisors (8452697).

155112871 is a wasteful number, since it uses less digits than its factorization.

155112871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 2800, while the sum is 31.

The square root of 155112871 is about 12454.4317814985. The cubic root of 155112871 is about 537.2988925668.

The spelling of 155112871 in words is "one hundred fifty-five million, one hundred twelve thousand, eight hundred seventy-one".