1525120050530 has 32 divisors (see below), whose sum is σ = 2893461361200. Its totient is φ = 577898444032.

The previous prime is 1525120050497. The next prime is 1525120050557. The reversal of 1525120050530 is 350500215251.

It can be written as a sum of positive squares in 8 ways, for example, as 581212591129 + 943907459401 = 762373^2 + 971549^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1525120050493 and 1525120050502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49598165 + ... + 49628904.

Almost surely, 2^{1525120050530} is an apocalyptic number.

1525120050530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1525120050530 is a deficient number, since it is larger than the sum of its proper divisors (1368341310670).

1525120050530 is a wasteful number, since it uses less digits than its factorization.

1525120050530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99227158.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 1525120050530 its reverse (350500215251), we get a palindrome (1875620265781).

The spelling of 1525120050530 in words is "one trillion, five hundred twenty-five billion, one hundred twenty million, fifty thousand, five hundred thirty".