11542644276340 has 48 divisors (see below), whose sum is σ = 24895543381632. Its totient is φ = 4492115853696.

The previous prime is 11542644276337. The next prime is 11542644276349. The reversal of 11542644276340 is 4367244624511.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542644276349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22241697 + ... + 22754743.

It is an arithmetic number, because the mean of its divisors is an integer number (518657153784).

Almost surely, 2^{11542644276340} is an apocalyptic number.

11542644276340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11542644276340 is an abundant number, since it is smaller than the sum of its proper divisors (13352899105292).

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

11542644276340 is a wasteful number, since it uses less digits than its factorization.

11542644276340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543496 (or 543494 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 11542644276340 in words is "eleven trillion, five hundred forty-two billion, six hundred forty-four million, two hundred seventy-six thousand, three hundred forty".