1530042715812 has 48 divisors (see below), whose sum is σ = 3845304610112. Its totient is φ = 470711122560.

The previous prime is 1530042715783. The next prime is 1530042715819. The reversal of 1530042715812 is 2185172400351.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1530042715819) 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, 296487 + ... + 1774257.

Almost surely, 2^{1530042715812} is an apocalyptic number.

1530042715812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1530042715812 is an abundant number, since it is smaller than the sum of its proper divisors (2315261894300).

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

1530042715812 is a wasteful number, since it uses less digits than its factorization.

1530042715812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484428 (or 1484426 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 1530042715812 in words is "one trillion, five hundred thirty billion, forty-two million, seven hundred fifteen thousand, eight hundred twelve".