155242046512 has 60 divisors (see below), whose sum is σ = 355196910288. Its totient is φ = 64386057600.

The previous prime is 155242046497. The next prime is 155242046569. The reversal of 155242046512 is 215640242551.

It is a super-2 number, since 2×155242046512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613539 + ... + 828802.

Almost surely, 2^155242046512 is an apocalyptic number.

It is an amenable number.

155242046512 is an abundant number, since it is smaller than the sum of its proper divisors (199954863776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155242046512 is a wasteful number, since it uses less digits than its factorization.

155242046512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442418 (or 1442381 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 155242046512 in words is "one hundred fifty-five billion, two hundred forty-two million, forty-six thousand, five hundred twelve".