1011303040551 has 16 divisors (see below), whose sum is σ = 1349148463104. Its totient is φ = 673829923104.

The previous prime is 1011303040549. The next prime is 1011303040613. The reversal of 1011303040551 is 1550403031101.

It is not a de Polignac number, because 1011303040551 - 2¹ = 1011303040549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011303042551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85821406 + ... + 85833188.

It is an arithmetic number, because the mean of its divisors is an integer number (84321778944).

Almost surely, 2^{1011303040551} is an apocalyptic number.

1011303040551 is a deficient number, since it is larger than the sum of its proper divisors (337845422553).

1011303040551 is a wasteful number, since it uses less digits than its factorization.

1011303040551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25150.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 1011303040551 its reverse (1550403031101), we get a palindrome (2561706071652).

The spelling of 1011303040551 in words is "one trillion, eleven billion, three hundred three million, forty thousand, five hundred fifty-one".