1530525541042 has 4 divisors (see below), whose sum is σ = 2295788311566. Its totient is φ = 765262770520.

The previous prime is 1530525541037. The next prime is 1530525541117. The reversal of 1530525541042 is 2401455250351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1526680176921 + 3845364121 = 1235589^2 + 62011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1530525540992 and 1530525541010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382631385259 + ... + 382631385262.

Almost surely, 2^{1530525541042} is an apocalyptic number.

1530525541042 is a deficient number, since it is larger than the sum of its proper divisors (765262770524).

1530525541042 is an equidigital number, since it uses as much as digits as its factorization.

1530525541042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765262770523.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1530525541042 in words is "one trillion, five hundred thirty billion, five hundred twenty-five million, five hundred forty-one thousand, forty-two".