155252106672 has 80 divisors (see below), whose sum is σ = 435072257760. Its totient is φ = 47421167616.

The previous prime is 155252106661. The next prime is 155252106673. The reversal of 155252106672 is 276601252551.

It is not an unprimeable number, because it can be changed into a prime (155252106673) 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, 822547 + ... + 993522.

It is an arithmetic number, because the mean of its divisors is an integer number (5438403222).

Almost surely, 2^155252106672 is an apocalyptic number.

155252106672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155252106672 is an abundant number, since it is smaller than the sum of its proper divisors (279820151088).

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

155252106672 is a wasteful number, since it uses less digits than its factorization.

155252106672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816230 (or 1816224 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 155252106672 in words is "one hundred fifty-five billion, two hundred fifty-two million, one hundred six thousand, six hundred seventy-two".