1011543512045 has 32 divisors (see below), whose sum is σ = 1337901238656. Its totient is φ = 728090035200.

The previous prime is 1011543512033. The next prime is 1011543512059. The reversal of 1011543512045 is 5402153451101.

It is not a de Polignac number, because 1011543512045 - 2⁴ = 1011543512029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2291297 + ... + 2696873.

It is an arithmetic number, because the mean of its divisors is an integer number (41809413708).

Almost surely, 2^{1011543512045} is an apocalyptic number.

It is an amenable number.

1011543512045 is a deficient number, since it is larger than the sum of its proper divisors (326357726611).

1011543512045 is a wasteful number, since it uses less digits than its factorization.

1011543512045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406061.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 1011543512045 its reverse (5402153451101), we get a palindrome (6413696963146).

The spelling of 1011543512045 in words is "one trillion, eleven billion, five hundred forty-three million, five hundred twelve thousand, forty-five".