11642137234 has 96 divisors (see below), whose sum is σ = 23623197696. Its totient is φ = 4194478080.

The previous prime is 11642137231. The next prime is 11642137253. The reversal of 11642137234 is 43273124611.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 11642137234.

It is not an unprimeable number, because it can be changed into a prime (11642137231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1242214 + ... + 1251550.

It is an arithmetic number, because the mean of its divisors is an integer number (246074976).

Almost surely, 2^11642137234 is an apocalyptic number.

11642137234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11642137234 is an abundant number, since it is smaller than the sum of its proper divisors (11981060462).

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

11642137234 is a wasteful number, since it uses less digits than its factorization.

11642137234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9420 (or 9407 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The spelling of 11642137234 in words is "eleven billion, six hundred forty-two million, one hundred thirty-seven thousand, two hundred thirty-four".