15055531244145 has 24 divisors (see below), whose sum is σ = 29824290465216. Its totient is φ = 6882528568608.

The previous prime is 15055531244137. The next prime is 15055531244219. The reversal of 15055531244145 is 54144213555051.

15055531244145 is a `hidden beast` number, since 1 + 5 + 0 + 5 + 553 + 12 + 4 + 41 + 45 = 666.

It is not a de Polignac number, because 15055531244145 - 2³ = 15055531244137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15055531244145.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23897668327 + ... + 23897668956.

It is an arithmetic number, because the mean of its divisors is an integer number (1242678769384).

Almost surely, 2^{15055531244145} is an apocalyptic number.

15055531244145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15055531244145 is a deficient number, since it is larger than the sum of its proper divisors (14768759221071).

15055531244145 is a wasteful number, since it uses less digits than its factorization.

15055531244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47795337301 (or 47795337298 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

Adding to 15055531244145 its reverse (54144213555051), we get a palindrome (69199744799196).

The spelling of 15055531244145 in words is "fifteen trillion, fifty-five billion, five hundred thirty-one million, two hundred forty-four thousand, one hundred forty-five".