155076471072 has 72 divisors (see below), whose sum is σ = 460172591424. Its totient is φ = 49444669824.

The previous prime is 155076471031. The next prime is 155076471083. The reversal of 155076471072 is 270174670551.

155076471072 is a `hidden beast` number, since 1 + 5 + 507 + 6 + 4 + 71 + 0 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11699028 + ... + 11712275.

It is an arithmetic number, because the mean of its divisors is an integer number (6391285992).

Almost surely, 2^155076471072 is an apocalyptic number.

155076471072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155076471072 is an abundant number, since it is smaller than the sum of its proper divisors (305096120352).

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

155076471072 is a wasteful number, since it uses less digits than its factorization.

155076471072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23411342 (or 23411331 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 155076471072 in words is "one hundred fifty-five billion, seventy-six million, four hundred seventy-one thousand, seventy-two".