30503442111015 has 16 divisors (see below), whose sum is σ = 49058385658848. Its totient is φ = 16184209698816.

The previous prime is 30503442111001. The next prime is 30503442111019. The reversal of 30503442111015 is 51011124430503.

It is not a de Polignac number, because 30503442111015 - 2⁸ = 30503442110759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503442111019) 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, 5268294534 + ... + 5268300323.

It is an arithmetic number, because the mean of its divisors is an integer number (3066149103678).

Almost surely, 2^{30503442111015} is an apocalyptic number.

30503442111015 is a deficient number, since it is larger than the sum of its proper divisors (18554943547833).

30503442111015 is a wasteful number, since it uses less digits than its factorization.

30503442111015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536595058.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 30503442111015 its reverse (51011124430503), we get a palindrome (81514566541518).

The spelling of 30503442111015 in words is "thirty trillion, five hundred three billion, four hundred forty-two million, one hundred eleven thousand, fifteen".