11545022210 has 16 divisors (see below), whose sum is σ = 20784391992. Its totient is φ = 4617264000.

The previous prime is 11545022207. The next prime is 11545022221. The reversal of 11545022210 is 1222054511.

It can be written as a sum of positive squares in 4 ways, for example, as 11096726281 + 448295929 = 105341^2 + 21173^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25691 + ... + 154110.

Almost surely, 2^11545022210 is an apocalyptic number.

11545022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11545022210 is a deficient number, since it is larger than the sum of its proper divisors (9239369782).

11545022210 is a wasteful number, since it uses less digits than its factorization.

11545022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186229.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 11545022210 its reverse (1222054511), we get a palindrome (12767076721).

The spelling of 11545022210 in words is "eleven billion, five hundred forty-five million, twenty-two thousand, two hundred ten".