1542011099945 has 12 divisors (see below), whose sum is σ = 1882307854020. Its totient is φ = 1212700241184.

The previous prime is 1542011099927. The next prime is 1542011099983. The reversal of 1542011099945 is 5499901102451.

It can be written as a sum of positive squares in 2 ways, for example, as 559065757849 + 982945342096 = 747707^2 + 991436^2 .

It is not a de Polignac number, because 1542011099945 - 2⁴⁰ = 442499472169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542011099893 and 1542011099902.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44280530 + ... + 44315339.

It is an arithmetic number, because the mean of its divisors is an integer number (156858987835).

Almost surely, 2^{1542011099945} is an apocalyptic number.

It is an amenable number.

1542011099945 is a deficient number, since it is larger than the sum of its proper divisors (340296754075).

1542011099945 is an frugal number, since it uses more digits than its factorization.

1542011099945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88595992 (or 88595933 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 1542011099945 in words is "one trillion, five hundred forty-two billion, eleven million, ninety-nine thousand, nine hundred forty-five".