11414432520 has 80 divisors (see below), whose sum is σ = 38365186860. Its totient is φ = 3043847808.

The previous prime is 11414432461. The next prime is 11414432537. The reversal of 11414432520 is 2523441411.

It can be written as a sum of positive squares in 2 ways, for example, as 11404958436 + 9474084 = 106794^2 + 3078^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1758247 + ... + 1764726.

Almost surely, 2^11414432520 is an apocalyptic number.

11414432520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11414432520 is an abundant number, since it is smaller than the sum of its proper divisors (26950754340).

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

11414432520 is a wasteful number, since it uses less digits than its factorization.

11414432520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522996 (or 3522983 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11414432520 its reverse (2523441411), we get a palindrome (13937873931).

The spelling of 11414432520 in words is "eleven billion, four hundred fourteen million, four hundred thirty-two thousand, five hundred twenty".