11021340362523 has 4 divisors (see below), whose sum is σ = 14695120483368. Its totient is φ = 7347560241680.

The previous prime is 11021340362503. The next prime is 11021340362563. The reversal of 11021340362523 is 32526304312011.

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 11021340362523 - 2¹⁴ = 11021340346139 is a prime.

It is a super-2 number, since 2×11021340362523² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11021340362503) 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, 1836890060418 + ... + 1836890060423.

It is an arithmetic number, because the mean of its divisors is an integer number (3673780120842).

Almost surely, 2^{11021340362523} is an apocalyptic number.

11021340362523 is a deficient number, since it is larger than the sum of its proper divisors (3673780120845).

11021340362523 is an equidigital number, since it uses as much as digits as its factorization.

11021340362523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673780120844.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 11021340362523 its reverse (32526304312011), we get a palindrome (43547644674534).

The spelling of 11021340362523 in words is "eleven trillion, twenty-one billion, three hundred forty million, three hundred sixty-two thousand, five hundred twenty-three".