1011252320411 has 4 divisors (see below), whose sum is σ = 1011255583824. Its totient is φ = 1011249057000.

The previous prime is 1011252320371. The next prime is 1011252320437. The reversal of 1011252320411 is 1140232521101.

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 1011252320411 - 2²² = 1011248126107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011252325411) 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, 1111640 + ... + 1805061.

It is an arithmetic number, because the mean of its divisors is an integer number (252813895956).

Almost surely, 2^{1011252320411} is an apocalyptic number.

1011252320411 is a deficient number, since it is larger than the sum of its proper divisors (3263413).

1011252320411 is an equidigital number, since it uses as much as digits as its factorization.

1011252320411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263412.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1011252320411 its reverse (1140232521101), we get a palindrome (2151484841512).

The spelling of 1011252320411 in words is "one trillion, eleven billion, two hundred fifty-two million, three hundred twenty thousand, four hundred eleven".