11020102455 has 32 divisors (see below), whose sum is σ = 18018422784. Its totient is φ = 5748790016.

The previous prime is 11020102453. The next prime is 11020102463. The reversal of 11020102455 is 55420102011.

It is a cyclic number.

It is not a de Polignac number, because 11020102455 - 2¹ = 11020102453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020102453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1450627 + ... + 1458203.

It is an arithmetic number, because the mean of its divisors is an integer number (563075712).

Almost surely, 2^11020102455 is an apocalyptic number.

11020102455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11020102455 is a deficient number, since it is larger than the sum of its proper divisors (6998320329).

11020102455 is a wasteful number, since it uses less digits than its factorization.

11020102455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 11020102455 its reverse (55420102011), we get a palindrome (66440204466).

The spelling of 11020102455 in words is "eleven billion, twenty million, one hundred two thousand, four hundred fifty-five".