155478584085 has 16 divisors (see below), whose sum is σ = 271380801600. Its totient is φ = 75383555840.

The previous prime is 155478584077. The next prime is 155478584113. The reversal of 155478584085 is 580485874551.

It is not a de Polignac number, because 155478584085 - 2³ = 155478584077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471147060 + ... + 471147389.

It is an arithmetic number, because the mean of its divisors is an integer number (16961300100).

Almost surely, 2^155478584085 is an apocalyptic number.

155478584085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155478584085 is a deficient number, since it is larger than the sum of its proper divisors (115902217515).

155478584085 is a wasteful number, since it uses less digits than its factorization.

155478584085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942294468.

The product of its (nonzero) digits is 35840000, while the sum is 60.

The spelling of 155478584085 in words is "one hundred fifty-five billion, four hundred seventy-eight million, five hundred eighty-four thousand, eighty-five".