30656157155 has 16 divisors (see below), whose sum is σ = 39621015840. Its totient is φ = 22636205568.

The previous prime is 30656157151. The next prime is 30656157157. The reversal of 30656157155 is 55175165603.

It is a cyclic number.

It is not a de Polignac number, because 30656157155 - 2² = 30656157151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30656157151) 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, 1017944 + ... + 1047626.

It is an arithmetic number, because the mean of its divisors is an integer number (2476313490).

Almost surely, 2^30656157155 is an apocalyptic number.

30656157155 is a deficient number, since it is larger than the sum of its proper divisors (8964858685).

30656157155 is a wasteful number, since it uses less digits than its factorization.

30656157155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45590.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 30656157155 in words is "thirty billion, six hundred fifty-six million, one hundred fifty-seven thousand, one hundred fifty-five".