13450432253121 has 32 divisors (see below), whose sum is σ = 20917992038400. Its totient is φ = 8530618565520.

The previous prime is 13450432253099. The next prime is 13450432253173. The reversal of 13450432253121 is 12135223405431.

13450432253121 is a `hidden beast` number, since 1 + 3 + 4 + 50 + 432 + 2 + 53 + 121 = 666.

It is not a de Polignac number, because 13450432253121 - 2²³ = 13450423864513 is a prime.

It is a super-2 number, since 2×13450432253121² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13450432253021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136135461 + ... + 136234226.

It is an arithmetic number, because the mean of its divisors is an integer number (653687251200).

Almost surely, 2^{13450432253121} is an apocalyptic number.

It is an amenable number.

13450432253121 is a deficient number, since it is larger than the sum of its proper divisors (7467559785279).

13450432253121 is a wasteful number, since it uses less digits than its factorization.

13450432253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272369786 (or 272369780 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 13450432253121 its reverse (12135223405431), we get a palindrome (25585655658552).

The spelling of 13450432253121 in words is "thirteen trillion, four hundred fifty billion, four hundred thirty-two million, two hundred fifty-three thousand, one hundred twenty-one".