30015500153 has 4 divisors (see below), whose sum is σ = 30016306560. Its totient is φ = 30014693748.

The previous prime is 30015500143. The next prime is 30015500159. The reversal of 30015500153 is 35100551003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35100551003 = 7 ⋅5014364429.

It is a cyclic number.

It is not a de Polignac number, because 30015500153 - 2¹² = 30015496057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30015500159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344525 + ... + 422762.

It is an arithmetic number, because the mean of its divisors is an integer number (7504076640).

Almost surely, 2^30015500153 is an apocalyptic number.

It is an amenable number.

30015500153 is a deficient number, since it is larger than the sum of its proper divisors (806407).

30015500153 is an equidigital number, since it uses as much as digits as its factorization.

30015500153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806406.

The product of its (nonzero) digits is 1125, while the sum is 23.

The spelling of 30015500153 in words is "thirty billion, fifteen million, five hundred thousand, one hundred fifty-three".