11245001253521 has 8 divisors (see below), whose sum is σ = 12851860589184. Its totient is φ = 9638249564160.

The previous prime is 11245001253511. The next prime is 11245001253523. The reversal of 11245001253521 is 12535210054211.

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

It is not a de Polignac number, because 11245001253521 - 2¹⁸ = 11245000991377 is a prime.

It is a super-2 number, since 2×11245001253521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11245001253523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26687600 + ... + 27105681.

It is an arithmetic number, because the mean of its divisors is an integer number (1606482573648).

Almost surely, 2^{11245001253521} is an apocalyptic number.

It is an amenable number.

11245001253521 is a deficient number, since it is larger than the sum of its proper divisors (1606859335663).

11245001253521 is an equidigital number, since it uses as much as digits as its factorization.

11245001253521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53823151.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 11245001253521 in words is "eleven trillion, two hundred forty-five billion, one million, two hundred fifty-three thousand, five hundred twenty-one".