1556536416145 has 32 divisors (see below), whose sum is σ = 1925612663040. Its totient is φ = 1207389062400.

The previous prime is 1556536416143. The next prime is 1556536416161. The reversal of 1556536416145 is 5416146356551.

It is not a de Polignac number, because 1556536416145 - 2¹ = 1556536416143 is a prime.

It is a super-2 number, since 2×1556536416145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1556536416092 and 1556536416101.

It is not an unprimeable number, because it can be changed into a prime (1556536416143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7736767 + ... + 7935403.

It is an arithmetic number, because the mean of its divisors is an integer number (60175395720).

Almost surely, 2^{1556536416145} is an apocalyptic number.

It is an amenable number.

1556536416145 is a deficient number, since it is larger than the sum of its proper divisors (369076246895).

1556536416145 is a wasteful number, since it uses less digits than its factorization.

1556536416145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199065.

The product of its digits is 6480000, while the sum is 52.

The spelling of 1556536416145 in words is "one trillion, five hundred fifty-six billion, five hundred thirty-six million, four hundred sixteen thousand, one hundred forty-five".