15455645516252 has 48 divisors (see below), whose sum is σ = 27138252379392. Its totient is φ = 7701916400640.

The previous prime is 15455645516197. The next prime is 15455645516317. The reversal of 15455645516252 is 25261554655451.

It is a super-2 number, since 2×15455645516252² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6491240102 + ... + 6491242482.

It is an arithmetic number, because the mean of its divisors is an integer number (565380257904).

Almost surely, 2^{15455645516252} is an apocalyptic number.

It is an amenable number.

15455645516252 is a deficient number, since it is larger than the sum of its proper divisors (11682606863140).

15455645516252 is a wasteful number, since it uses less digits than its factorization.

15455645516252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398 (or 6396 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 56.

The spelling of 15455645516252 in words is "fifteen trillion, four hundred fifty-five billion, six hundred forty-five million, five hundred sixteen thousand, two hundred fifty-two".