30155203015155 has 12 divisors (see below), whose sum is σ = 52269018559680. Its totient is φ = 16082774941392.

The previous prime is 30155203015151. The next prime is 30155203015159. The reversal of 30155203015155 is 55151030255103.

30155203015155 is a `hidden beast` number, since 3 + 0 + 1 + 5 + 520 + 30 + 1 + 51 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (30155203015151) and next prime (30155203015159).

It is not a de Polignac number, because 30155203015155 - 2² = 30155203015151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30155203015151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335057811235 + ... + 335057811324.

It is an arithmetic number, because the mean of its divisors is an integer number (4355751546640).

Almost surely, 2^{30155203015155} is an apocalyptic number.

30155203015155 is a deficient number, since it is larger than the sum of its proper divisors (22113815544525).

30155203015155 is a wasteful number, since it uses less digits than its factorization.

30155203015155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670115622570 (or 670115622567 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 30155203015155 in words is "thirty trillion, one hundred fifty-five billion, two hundred three million, fifteen thousand, one hundred fifty-five".