11540514022452 has 48 divisors (see below), whose sum is σ = 29925349634880. Its totient is φ = 3846131061984.

The previous prime is 11540514022439. The next prime is 11540514022517. The reversal of 11540514022452 is 25422041504511.

11540514022452 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 0 + 5 + 1 + 402 + 245 + 2 = 666.

It is a super-2 number, since 2×11540514022452² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9228123 + ... + 10403810.

It is an arithmetic number, because the mean of its divisors is an integer number (623444784060).

Almost surely, 2^{11540514022452} is an apocalyptic number.

11540514022452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11540514022452 is an abundant number, since it is smaller than the sum of its proper divisors (18384835612428).

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

11540514022452 is a wasteful number, since it uses less digits than its factorization.

11540514022452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637389 (or 19637381 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 11540514022452 its reverse (25422041504511), we get a palindrome (36962555526963).

The spelling of 11540514022452 in words is "eleven trillion, five hundred forty billion, five hundred fourteen million, twenty-two thousand, four hundred fifty-two".