155980074889 has 8 divisors (see below), whose sum is σ = 161018472960. Its totient is φ = 150942100800.

The previous prime is 155980074841. The next prime is 155980074997. The reversal of 155980074889 is 988470089551.

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 155980074889 - 2⁹ = 155980074377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155980074889.

It is not an unprimeable number, because it can be changed into a prime (155980054889) 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, 752049 + ... + 936769.

It is an arithmetic number, because the mean of its divisors is an integer number (20127309120).

Almost surely, 2^155980074889 is an apocalyptic number.

It is an amenable number.

155980074889 is a deficient number, since it is larger than the sum of its proper divisors (5038398071).

155980074889 is a wasteful number, since it uses less digits than its factorization.

155980074889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211991.

The product of its (nonzero) digits is 29030400, while the sum is 64.

The spelling of 155980074889 in words is "one hundred fifty-five billion, nine hundred eighty million, seventy-four thousand, eight hundred eighty-nine".