30005248158661 has 16 divisors (see below), whose sum is σ = 31298087842560. Its totient is φ = 28730391318720.

The previous prime is 30005248158619. The next prime is 30005248158671. The reversal of 30005248158661 is 16685184250003.

It is not a de Polignac number, because 30005248158661 - 2⁷ = 30005248158533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30005248158671) 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, 4705485 + ... + 9063778.

It is an arithmetic number, because the mean of its divisors is an integer number (1956130490160).

Almost surely, 2^{30005248158661} is an apocalyptic number.

It is an amenable number.

30005248158661 is a deficient number, since it is larger than the sum of its proper divisors (1292839683899).

30005248158661 is a wasteful number, since it uses less digits than its factorization.

30005248158661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13769916.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 30005248158661 in words is "thirty trillion, five billion, two hundred forty-eight million, one hundred fifty-eight thousand, six hundred sixty-one".