155506656115 has 16 divisors (see below), whose sum is σ = 189400780800. Its totient is φ = 122550640992.

The previous prime is 155506656049. The next prime is 155506656161. The reversal of 155506656115 is 511656605551.

It is a happy number.

155506656115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 155506656115 - 2¹¹ = 155506654067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274987 + ... + 621796.

It is an arithmetic number, because the mean of its divisors is an integer number (11837548800).

Almost surely, 2^155506656115 is an apocalyptic number.

155506656115 is a deficient number, since it is larger than the sum of its proper divisors (33894124685).

155506656115 is an equidigital number, since it uses as much as digits as its factorization.

155506656115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897306.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 155506656115 in words is "one hundred fifty-five billion, five hundred six million, six hundred fifty-six thousand, one hundred fifteen".