11525130003545 has 4 divisors (see below), whose sum is σ = 13830156004260. Its totient is φ = 9220104002832.

The previous prime is 11525130003503. The next prime is 11525130003557. The reversal of 11525130003545 is 54530003152511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8475300870169 + 3049829133376 = 2911237^2 + 1746376^2 .

It is a cyclic number.

It is not a de Polignac number, because 11525130003545 - 2¹⁸ = 11525129741401 is a prime.

It is a super-2 number, since 2×11525130003545² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152513000350 + ... + 1152513000359.

It is an arithmetic number, because the mean of its divisors is an integer number (3457539001065).

Almost surely, 2^{11525130003545} is an apocalyptic number.

It is an amenable number.

11525130003545 is a deficient number, since it is larger than the sum of its proper divisors (2305026000715).

11525130003545 is an equidigital number, since it uses as much as digits as its factorization.

11525130003545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305026000714.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 11525130003545 in words is "eleven trillion, five hundred twenty-five billion, one hundred thirty million, three thousand, five hundred forty-five".