121001453143525 has 12 divisors (see below), whose sum is σ = 150329790017604. Its totient is φ = 96615363728000.

The previous prime is 121001453143507. The next prime is 121001453143553. The reversal of 121001453143525 is 525341354100121.

It can be written as a sum of positive squares in 6 ways, for example, as 28929617647876 + 92071835495649 = 5378626^2 + 9595407^2 .

It is not a de Polignac number, because 121001453143525 - 2²¹ = 121001451046373 is a prime.

It is a super-2 number, since 2×121001453143525² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4644956386 + ... + 4644982435.

It is an arithmetic number, because the mean of its divisors is an integer number (12527482501467).

Almost surely, 2^{121001453143525} is an apocalyptic number.

It is an amenable number.

121001453143525 is a deficient number, since it is larger than the sum of its proper divisors (29328336874079).

121001453143525 is an equidigital number, since it uses as much as digits as its factorization.

121001453143525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289939352 (or 9289939347 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 121001453143525 in words is "one hundred twenty-one trillion, one billion, four hundred fifty-three million, one hundred forty-three thousand, five hundred twenty-five".