30645612155 has 16 divisors (see below), whose sum is σ = 37686527424. Its totient is φ = 23909099520.

The previous prime is 30645612113. The next prime is 30645612157. The reversal of 30645612155 is 55121654603.

It is not a de Polignac number, because 30645612155 - 2¹⁶ = 30645546619 is a prime.

It is a super-3 number, since 3×30645612155³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30645612157) 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, 516554 + ... + 572816.

It is an arithmetic number, because the mean of its divisors is an integer number (2355407964).

Almost surely, 2^30645612155 is an apocalyptic number.

30645612155 is a deficient number, since it is larger than the sum of its proper divisors (7040915269).

30645612155 is a wasteful number, since it uses less digits than its factorization.

30645612155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58966.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 30645612155 in words is "thirty billion, six hundred forty-five million, six hundred twelve thousand, one hundred fifty-five".