16135062553 has 2 divisors, whose sum is σ = 16135062554. Its totient is φ = 16135062552.

The previous prime is 16135062533. The next prime is 16135062563. The reversal of 16135062553 is 35526053161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12816956944 + 3318105609 = 113212^2 + 57603^2 .

It is a cyclic number.

It is not a de Polignac number, because 16135062553 - 2¹³ = 16135054361 is a prime.

It is not a weakly prime, because it can be changed into another prime (16135062533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8067531276 + 8067531277.

It is an arithmetic number, because the mean of its divisors is an integer number (8067531277).

Almost surely, 2^16135062553 is an apocalyptic number.

It is an amenable number.

16135062553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16135062553 is an equidigital number, since it uses as much as digits as its factorization.

16135062553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 16135062553 in words is "sixteen billion, one hundred thirty-five million, sixty-two thousand, five hundred fifty-three".