155412155552 has 48 divisors (see below), whose sum is σ = 308304784872. Its totient is φ = 77112913920.

The previous prime is 155412155531. The next prime is 155412155557. The reversal of 155412155552 is 255551214551.

It can be written as a sum of positive squares in 4 ways, for example, as 80136551056 + 75275604496 = 283084^2 + 274364^2 .

It is not an unprimeable number, because it can be changed into a prime (155412155557) 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, 24428852 + ... + 24435212.

Almost surely, 2^155412155552 is an apocalyptic number.

It is an amenable number.

155412155552 is a deficient number, since it is larger than the sum of its proper divisors (152892629320).

155412155552 is a wasteful number, since it uses less digits than its factorization.

155412155552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12081 (or 12073 counting only the distinct ones).

The product of its digits is 250000, while the sum is 41.

The spelling of 155412155552 in words is "one hundred fifty-five billion, four hundred twelve million, one hundred fifty-five thousand, five hundred fifty-two".