15355043511145 has 32 divisors (see below), whose sum is σ = 20543454892800. Its totient is φ = 10939701314304.

The previous prime is 15355043511109. The next prime is 15355043511151. The reversal of 15355043511145 is 54111534055351.

It is a cyclic number.

It is not a de Polignac number, because 15355043511145 - 2²¹ = 15355041413993 is a prime.

It is a super-2 number, since 2×15355043511145² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669675 + ... + 5581984.

It is an arithmetic number, because the mean of its divisors is an integer number (641982965400).

Almost surely, 2^{15355043511145} is an apocalyptic number.

It is an amenable number.

15355043511145 is a deficient number, since it is larger than the sum of its proper divisors (5188411381655).

15355043511145 is a wasteful number, since it uses less digits than its factorization.

15355043511145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253009.

The product of its (nonzero) digits is 450000, while the sum is 43.

Adding to 15355043511145 its reverse (54111534055351), we get a palindrome (69466577566496).

The spelling of 15355043511145 in words is "fifteen trillion, three hundred fifty-five billion, forty-three million, five hundred eleven thousand, one hundred forty-five".