11530154131440 has 160 divisors (see below), whose sum is σ = 40853591869440. Its totient is φ = 2635211999232.

The previous prime is 11530154131409. The next prime is 11530154131453. The reversal of 11530154131440 is 4413145103511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17550972 + ... + 18196068.

It is an arithmetic number, because the mean of its divisors is an integer number (255334949184).

Almost surely, 2^{11530154131440} is an apocalyptic number.

11530154131440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11530154131440 is an abundant number, since it is smaller than the sum of its proper divisors (29323437738000).

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

11530154131440 is a wasteful number, since it uses less digits than its factorization.

11530154131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655759 (or 655753 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 11530154131440 its reverse (4413145103511), we get a palindrome (15943299234951).

The spelling of 11530154131440 in words is "eleven trillion, five hundred thirty billion, one hundred fifty-four million, one hundred thirty-one thousand, four hundred forty".