1531454514042 has 16 divisors (see below), whose sum is σ = 3062948388192. Its totient is φ = 510478278000.

The previous prime is 1531454514019. The next prime is 1531454514049. The reversal of 1531454514042 is 2404154541351.

It is not an unprimeable number, because it can be changed into a prime (1531454514049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121584 + ... + 2078667.

It is an arithmetic number, because the mean of its divisors is an integer number (191434274262).

Almost surely, 2^{1531454514042} is an apocalyptic number.

1531454514042 is an abundant number, since it is smaller than the sum of its proper divisors (1531493874150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1531454514042 is a wasteful number, since it uses less digits than its factorization.

1531454514042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280013.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 1531454514042 in words is "one trillion, five hundred thirty-one billion, four hundred fifty-four million, five hundred fourteen thousand, forty-two".