13547520001 has 2 divisors, whose sum is σ = 13547520002. Its totient is φ = 13547520000.

The previous prime is 13547519987. The next prime is 13547520013. The reversal of 13547520001 is 10002574531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8906640625 + 4640879376 = 94375^2 + 68124^2 .

It is a cyclic number.

It is not a de Polignac number, because 13547520001 - 2²³ = 13539131393 is a prime.

It is not a weakly prime, because it can be changed into another prime (13547020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6773760000 + 6773760001.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760001).

Almost surely, 2^13547520001 is an apocalyptic number.

It is an amenable number.

13547520001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13547520001 is an equidigital number, since it uses as much as digits as its factorization.

13547520001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 13547520001 in words is "thirteen billion, five hundred forty-seven million, five hundred twenty thousand, one".