11301530021540 has 96 divisors (see below), whose sum is σ = 27462462217344. Its totient is φ = 3861032437760.

The previous prime is 11301530021503. The next prime is 11301530021581. The reversal of 11301530021540 is 4512003510311.

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, 578039 + ... + 4789278.

It is an arithmetic number, because the mean of its divisors is an integer number (286067314764).

Almost surely, 2^{11301530021540} is an apocalyptic number.

11301530021540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301530021540 is an abundant number, since it is smaller than the sum of its proper divisors (16160932195804).

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

11301530021540 is a wasteful number, since it uses less digits than its factorization.

11301530021540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367917 (or 5367915 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11301530021540 its reverse (4512003510311), we get a palindrome (15813533531851).

The spelling of 11301530021540 in words is "eleven trillion, three hundred one billion, five hundred thirty million, twenty-one thousand, five hundred forty".