155151561604 has 24 divisors (see below), whose sum is σ = 301833314048. Its totient is φ = 69298463520.

The previous prime is 155151561601. The next prime is 155151561619. The reversal of 155151561604 is 406165151551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (155151561601) 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 7 ways as a sum of consecutive naturals, for example, 48122322 + ... + 48125545.

Almost surely, 2^155151561604 is an apocalyptic number.

It is an amenable number.

155151561604 is a deficient number, since it is larger than the sum of its proper divisors (146681752444).

155151561604 is a wasteful number, since it uses less digits than its factorization.

155151561604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96247915 (or 96247913 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 155151561604 in words is "one hundred fifty-five billion, one hundred fifty-one million, five hundred sixty-one thousand, six hundred four".