1125052001511 has 8 divisors (see below), whose sum is σ = 1501111779840. Its totient is φ = 749513445432.

The previous prime is 1125052001473. The next prime is 1125052001531. The reversal of 1125052001511 is 1151002505211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1125052001511 - 2⁷ = 1125052001383 is a prime.

It is a super-2 number, since 2×1125052001511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125052001531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130300525 + ... + 130309158.

It is an arithmetic number, because the mean of its divisors is an integer number (187638972480).

Almost surely, 2^{1125052001511} is an apocalyptic number.

1125052001511 is a deficient number, since it is larger than the sum of its proper divisors (376059778329).

1125052001511 is a wasteful number, since it uses less digits than its factorization.

1125052001511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260611125.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 1125052001511 its reverse (1151002505211), we get a palindrome (2276054506722).

The spelling of 1125052001511 in words is "one trillion, one hundred twenty-five billion, fifty-two million, one thousand, five hundred eleven".