30143561137495 has 16 divisors (see below), whose sum is σ = 38997516442752. Its totient is φ = 22235425954560.

The previous prime is 30143561137493. The next prime is 30143561137507. The reversal of 30143561137495 is 59473116534103.

It is not a de Polignac number, because 30143561137495 - 2¹ = 30143561137493 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 (30143561137493) 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, 254467182 + ... + 254585611.

It is an arithmetic number, because the mean of its divisors is an integer number (2437344777672).

Almost surely, 2^{30143561137495} is an apocalyptic number.

30143561137495 is a deficient number, since it is larger than the sum of its proper divisors (8853955305257).

30143561137495 is a wasteful number, since it uses less digits than its factorization.

30143561137495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509053722.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 30143561137495 in words is "thirty trillion, one hundred forty-three billion, five hundred sixty-one million, one hundred thirty-seven thousand, four hundred ninety-five".