1235445213011 has 4 divisors (see below), whose sum is σ = 1238670918912. Its totient is φ = 1232219507112.

The previous prime is 1235445212951. The next prime is 1235445213029. The reversal of 1235445213011 is 1103125445321.

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 1235445213011 - 2³⁰ = 1234371471187 is a prime.

It is a super-2 number, since 2×1235445213011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235445213511) 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, 1612852376 + ... + 1612853141.

It is an arithmetic number, because the mean of its divisors is an integer number (309667729728).

Almost surely, 2^{1235445213011} is an apocalyptic number.

1235445213011 is a deficient number, since it is larger than the sum of its proper divisors (3225705901).

1235445213011 is an equidigital number, since it uses as much as digits as its factorization.

1235445213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225705900.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 1235445213011 in words is "one trillion, two hundred thirty-five billion, four hundred forty-five million, two hundred thirteen thousand, eleven".