13531451501 has 2 divisors, whose sum is σ = 13531451502. Its totient is φ = 13531451500.

The previous prime is 13531451491. The next prime is 13531451519. The reversal of 13531451501 is 10515413531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13421222500 + 110229001 = 115850^2 + 10499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531451501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531454501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765725750 + 6765725751.

It is an arithmetic number, because the mean of its divisors is an integer number (6765725751).

Almost surely, 2^13531451501 is an apocalyptic number.

It is an amenable number.

13531451501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531451501 is an equidigital number, since it uses as much as digits as its factorization.

13531451501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 13531451501 in words is "thirteen billion, five hundred thirty-one million, four hundred fifty-one thousand, five hundred one".