10881232540640 has 192 divisors, whose sum is σ = 32333809858560. Its totient is φ = 3361538826240.

The previous prime is 10881232540601. The next prime is 10881232540643. The reversal of 10881232540640 is 4604523218801.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 10881232540591 and 10881232540600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10881232540643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2515880 + ... + 5300199.

It is an arithmetic number, because the mean of its divisors is an integer number (168405259680).

Almost surely, 2^{10881232540640} is an apocalyptic number.

10881232540640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10881232540640 is an abundant number, since it is smaller than the sum of its proper divisors (21452577317920).

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

10881232540640 is a wasteful number, since it uses less digits than its factorization.

10881232540640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816225 (or 7816217 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 10881232540640 in words is "ten trillion, eight hundred eighty-one billion, two hundred thirty-two million, five hundred forty thousand, six hundred forty".