11461887740 has 12 divisors (see below), whose sum is σ = 24069964296. Its totient is φ = 4584755088.

The previous prime is 11461887677. The next prime is 11461887751. The reversal of 11461887740 is 4778816411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286547174 + ... + 286547213.

It is an arithmetic number, because the mean of its divisors is an integer number (2005830358).

Almost surely, 2^11461887740 is an apocalyptic number.

11461887740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11461887740 is an abundant number, since it is smaller than the sum of its proper divisors (12608076556).

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

11461887740 is a wasteful number, since it uses less digits than its factorization.

11461887740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573094396 (or 573094394 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 11461887740 in words is "eleven billion, four hundred sixty-one million, eight hundred eighty-seven thousand, seven hundred forty".