13753252521921 has 16 divisors (see below), whose sum is σ = 20013305734080. Its totient is φ = 8331731728320.

The previous prime is 13753252521913. The next prime is 13753252521923. The reversal of 13753252521921 is 12912525235731.

It is not a de Polignac number, because 13753252521921 - 2³ = 13753252521913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13753252521923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89242606 + ... + 89396583.

It is an arithmetic number, because the mean of its divisors is an integer number (1250831608380).

Almost surely, 2^{13753252521921} is an apocalyptic number.

13753252521921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13753252521921 is a deficient number, since it is larger than the sum of its proper divisors (6260053212159).

13753252521921 is a wasteful number, since it uses less digits than its factorization.

13753252521921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178641536.

The product of its digits is 1134000, while the sum is 48.

It can be divided in two parts, 137532 and 52521921, that added together give a triangular number (52659453 = T₁₀₂₆₂).

The spelling of 13753252521921 in words is "thirteen trillion, seven hundred fifty-three billion, two hundred fifty-two million, five hundred twenty-one thousand, nine hundred twenty-one".