155050071 has 16 divisors (see below), whose sum is σ = 226032768. Its totient is φ = 93759200.

The previous prime is 155050067. The next prime is 155050073. The reversal of 155050071 is 170050551.

It is a cyclic number.

It is not a de Polignac number, because 155050071 - 2² = 155050067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155050073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10381 + ... + 20441.

It is an arithmetic number, because the mean of its divisors is an integer number (14127048).

Almost surely, 2^155050071 is an apocalyptic number.

155050071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155050071 is a deficient number, since it is larger than the sum of its proper divisors (70982697).

155050071 is a wasteful number, since it uses less digits than its factorization.

155050071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10542.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 155050071 is about 12451.9103353662. The cubic root of 155050071 is about 537.2263713441.

The spelling of 155050071 in words is "one hundred fifty-five million, fifty thousand, seventy-one".