1531103245456 has 20 divisors (see below), whose sum is σ = 2966631405804. Its totient is φ = 765520947200.

The previous prime is 1531103245433. The next prime is 1531103245513. The reversal of 1531103245456 is 6545423011351.

It can be written as a sum of positive squares in 2 ways, for example, as 231184025856 + 1299919219600 = 480816^2 + 1140140^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502725 + ... + 2306596.

Almost surely, 2^{1531103245456} is an apocalyptic number.

1531103245456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1531103245456 is a deficient number, since it is larger than the sum of its proper divisors (1435528160348).

1531103245456 is a wasteful number, since it uses less digits than its factorization.

1531103245456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834450 (or 3834444 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1531103245456 in words is "one trillion, five hundred thirty-one billion, one hundred three million, two hundred forty-five thousand, four hundred fifty-six".