11434074780 has 48 divisors (see below), whose sum is σ = 32619482784. Its totient is φ = 2991555840.

The previous prime is 11434074767. The next prime is 11434074781. The reversal of 11434074780 is 8747043411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434074781) 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, 1794631 + ... + 1800990.

It is an arithmetic number, because the mean of its divisors is an integer number (679572558).

Almost surely, 2^11434074780 is an apocalyptic number.

11434074780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11434074780 is an abundant number, since it is smaller than the sum of its proper divisors (21185408004).

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

11434074780 is a wasteful number, since it uses less digits than its factorization.

11434074780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595686 (or 3595684 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 11434074780 in words is "eleven billion, four hundred thirty-four million, seventy-four thousand, seven hundred eighty".