30253111215530 has 96 divisors (see below), whose sum is σ = 66206242846800. Its totient is φ = 9911576973312.

The previous prime is 30253111215421. The next prime is 30253111215539. The reversal of 30253111215530 is 3551211135203.

It can be written as a sum of positive squares in 8 ways, for example, as 4945762344649 + 25307348870881 = 2223907^2 + 5030641^2 .

It is a super-2 number, since 2×30253111215530² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30253111215539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9595865 + ... + 12352604.

Almost surely, 2^{30253111215530} is an apocalyptic number.

30253111215530 is an abundant number, since it is smaller than the sum of its proper divisors (35953131631270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30253111215530 is a wasteful number, since it uses less digits than its factorization.

30253111215530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21948616 (or 21948609 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 30253111215530 in words is "thirty trillion, two hundred fifty-three billion, one hundred eleven million, two hundred fifteen thousand, five hundred thirty".