11020253345 has 16 divisors (see below), whose sum is σ = 13811929920. Its totient is φ = 8432529984.

The previous prime is 11020253341. The next prime is 11020253381. The reversal of 11020253345 is 54335202011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11020253345 - 2² = 11020253341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020253341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493907 + ... + 515736.

It is an arithmetic number, because the mean of its divisors is an integer number (863245620).

Almost surely, 2^11020253345 is an apocalyptic number.

It is an amenable number.

11020253345 is a deficient number, since it is larger than the sum of its proper divisors (2791676575).

11020253345 is a wasteful number, since it uses less digits than its factorization.

11020253345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009744.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 11020253345 its reverse (54335202011), we get a palindrome (65355455356).

The spelling of 11020253345 in words is "eleven billion, twenty million, two hundred fifty-three thousand, three hundred forty-five".