1011253434553 has 8 divisors (see below), whose sum is σ = 1014944091200. Its totient is φ = 1007563604688.

The previous prime is 1011253434463. The next prime is 1011253434557. The reversal of 1011253434553 is 3554343521101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011253434553 - 2²¹ = 1011251337401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011253434557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299303 + ... + 2703571.

It is an arithmetic number, because the mean of its divisors is an integer number (126868011400).

Almost surely, 2^{1011253434553} is an apocalyptic number.

It is an amenable number.

1011253434553 is a deficient number, since it is larger than the sum of its proper divisors (3690656647).

1011253434553 is an equidigital number, since it uses as much as digits as its factorization.

1011253434553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413391.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 1011253434553 its reverse (3554343521101), we get a palindrome (4565596955654).

The spelling of 1011253434553 in words is "one trillion, eleven billion, two hundred fifty-three million, four hundred thirty-four thousand, five hundred fifty-three".