11540054640054 has 32 divisors (see below), whose sum is σ = 23146384475520. Its totient is φ = 3835639855872.

The previous prime is 11540054639977. The next prime is 11540054640133. The reversal of 11540054640054 is 45004645004511.

It is a super-2 number, since 2×11540054640054² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11540054639994 and 11540054640021.

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, 64100337 + ... + 64280115.

It is an arithmetic number, because the mean of its divisors is an integer number (723324514860).

Almost surely, 2^{11540054640054} is an apocalyptic number.

11540054640054 is an abundant number, since it is smaller than the sum of its proper divisors (11606329835466).

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

11540054640054 is a wasteful number, since it uses less digits than its factorization.

11540054640054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210444.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 11540054640054 its reverse (45004645004511), we get a palindrome (56544699644565).

The spelling of 11540054640054 in words is "eleven trillion, five hundred forty billion, fifty-four million, six hundred forty thousand, fifty-four".