1011013632253 has 4 divisors (see below), whose sum is σ = 1011345223900. Its totient is φ = 1010682040608.

The previous prime is 1011013632241. The next prime is 1011013632269. The reversal of 1011013632253 is 3522363101101.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 383554785124 + 627458847129 = 619318^2 + 792123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011013632253 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 (1011013632953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165791250 + ... + 165797347.

It is an arithmetic number, because the mean of its divisors is an integer number (252836305975).

Almost surely, 2^{1011013632253} is an apocalyptic number.

It is an amenable number.

1011013632253 is a deficient number, since it is larger than the sum of its proper divisors (331591647).

1011013632253 is an equidigital number, since it uses as much as digits as its factorization.

1011013632253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331591646.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 1011013632253 its reverse (3522363101101), we get a palindrome (4533376733354).

The spelling of 1011013632253 in words is "one trillion, eleven billion, thirteen million, six hundred thirty-two thousand, two hundred fifty-three".