11541501053 has 4 divisors (see below), whose sum is σ = 11544749340. Its totient is φ = 11538252768.

The previous prime is 11541501029. The next prime is 11541501071. The reversal of 11541501053 is 35010514511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35010514511 = 7 ⋅5001502073.

It can be written as a sum of positive squares in 2 ways, for example, as 5021423044 + 6520078009 = 70862^2 + 80747^2 .

It is a cyclic number.

It is not a de Polignac number, because 11541501053 - 2¹⁶ = 11541435517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541501073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618808 + ... + 1625921.

It is an arithmetic number, because the mean of its divisors is an integer number (2886187335).

Almost surely, 2^11541501053 is an apocalyptic number.

It is an amenable number.

11541501053 is a deficient number, since it is larger than the sum of its proper divisors (3248287).

11541501053 is an equidigital number, since it uses as much as digits as its factorization.

11541501053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248286.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 11541501053 in words is "eleven billion, five hundred forty-one million, five hundred one thousand, fifty-three".