15531053636051 has 2 divisors, whose sum is σ = 15531053636052. Its totient is φ = 15531053636050.

The previous prime is 15531053636047. The next prime is 15531053636093. The reversal of 15531053636051 is 15063635013551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15531053636051 - 2² = 15531053636047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15531053635993 and 15531053636011.

It is not a weakly prime, because it can be changed into another prime (15531053636251) by changing a digit.

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 as a sum of consecutive naturals, namely, 7765526818025 + 7765526818026.

It is an arithmetic number, because the mean of its divisors is an integer number (7765526818026).

Almost surely, 2^{15531053636051} is an apocalyptic number.

15531053636051 is a deficient number, since it is larger than the sum of its proper divisors (1).

15531053636051 is an equidigital number, since it uses as much as digits as its factorization.

15531053636051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 607500, while the sum is 44.

The spelling of 15531053636051 in words is "fifteen trillion, five hundred thirty-one billion, fifty-three million, six hundred thirty-six thousand, fifty-one".