13513541523551 has 8 divisors (see below), whose sum is σ = 13641966528960. Its totient is φ = 13385548199808.

The previous prime is 13513541523533. The next prime is 13513541523569. The reversal of 13513541523551 is 15532514531531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13513541523533) and next prime (13513541523569).

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

It is a cyclic number.

It is not a de Polignac number, because 13513541523551 - 2⁶ = 13513541523487 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 (13513541523511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107857511 + ... + 107982728.

It is an arithmetic number, because the mean of its divisors is an integer number (1705245816120).

Almost surely, 2^{13513541523551} is an apocalyptic number.

13513541523551 is a deficient number, since it is larger than the sum of its proper divisors (128425005409).

13513541523551 is a wasteful number, since it uses less digits than its factorization.

13513541523551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215840833.

The product of its digits is 675000, while the sum is 44.

The spelling of 13513541523551 in words is "thirteen trillion, five hundred thirteen billion, five hundred forty-one million, five hundred twenty-three thousand, five hundred fifty-one".