1225511413110 has 96 divisors (see below), whose sum is σ = 3361372616160. Its totient is φ = 308925218304.

The previous prime is 1225511413109. The next prime is 1225511413127. The reversal of 1225511413110 is 113141155221.

1225511413110 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 511 + 4 + 131 + 10 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2637 + ... + 1565576.

It is an arithmetic number, because the mean of its divisors is an integer number (35014298085).

Almost surely, 2^{1225511413110} is an apocalyptic number.

1225511413110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225511413110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680686308080).

1225511413110 is an abundant number, since it is smaller than the sum of its proper divisors (2135861203050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225511413110 is a wasteful number, since it uses less digits than its factorization.

1225511413110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568702 (or 1568699 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 1225511413110 its reverse (113141155221), we get a palindrome (1338652568331).

The spelling of 1225511413110 in words is "one trillion, two hundred twenty-five billion, five hundred eleven million, four hundred thirteen thousand, one hundred ten".