1540544315152 has 10 divisors (see below), whose sum is σ = 2984804610638. Its totient is φ = 770272157568.

The previous prime is 1540544315077. The next prime is 1540544315173. The reversal of 1540544315152 is 2515134450451.

It can be written as a sum of positive squares in only one way, i.e., 1211417214736 + 329127100416 = 1100644^2 + 573696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48142009833 + ... + 48142009864.

Almost surely, 2^{1540544315152} is an apocalyptic number.

It is an amenable number.

1540544315152 is a deficient number, since it is larger than the sum of its proper divisors (1444260295486).

1540544315152 is an equidigital number, since it uses as much as digits as its factorization.

1540544315152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96284019705 (or 96284019699 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 1540544315152 in words is "one trillion, five hundred forty billion, five hundred forty-four million, three hundred fifteen thousand, one hundred fifty-two".