11520321405414 has 16 divisors (see below), whose sum is σ = 23040677119152. Its totient is φ = 3840101417088.

The previous prime is 11520321405413. The next prime is 11520321405449. The reversal of 11520321405414 is 41450412302511.

It is a super-2 number, since 2×11520321405414² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520321405413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5578482 + ... + 7359354.

It is an arithmetic number, because the mean of its divisors is an integer number (1440042319947).

Almost surely, 2^{11520321405414} is an apocalyptic number.

11520321405414 is an abundant number, since it is smaller than the sum of its proper divisors (11520355713738).

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

11520321405414 is a wasteful number, since it uses less digits than its factorization.

11520321405414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859031.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 11520321405414 its reverse (41450412302511), we get a palindrome (52970733707925).

The spelling of 11520321405414 in words is "eleven trillion, five hundred twenty billion, three hundred twenty-one million, four hundred five thousand, four hundred fourteen".