1011532426663 has 4 divisors (see below), whose sum is σ = 1103489920008. Its totient is φ = 919574933320.

The previous prime is 1011532426643. The next prime is 1011532426673. The reversal of 1011532426663 is 3666242351101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011532426663 - 2¹⁷ = 1011532295591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011532426643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45978746656 + ... + 45978746677.

It is an arithmetic number, because the mean of its divisors is an integer number (275872480002).

Almost surely, 2^{1011532426663} is an apocalyptic number.

1011532426663 is a deficient number, since it is larger than the sum of its proper divisors (91957493345).

1011532426663 is an equidigital number, since it uses as much as digits as its factorization.

1011532426663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91957493344.

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 1011532426663 its reverse (3666242351101), we get a palindrome (4677774777764).

The spelling of 1011532426663 in words is "one trillion, eleven billion, five hundred thirty-two million, four hundred twenty-six thousand, six hundred sixty-three".