11740438578 has 48 divisors (see below), whose sum is σ = 27327797280. Its totient is φ = 3348428160.

The previous prime is 11740438571. The next prime is 11740438583. The reversal of 11740438578 is 87583404711.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11740438571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463288 + ... + 487971.

It is an arithmetic number, because the mean of its divisors is an integer number (569329110).

Almost surely, 2^11740438578 is an apocalyptic number.

11740438578 is an abundant number, since it is smaller than the sum of its proper divisors (15587358702).

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

11740438578 is a wasteful number, since it uses less digits than its factorization.

11740438578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951303 (or 951292 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 11740438578 in words is "eleven billion, seven hundred forty million, four hundred thirty-eight thousand, five hundred seventy-eight".