11962540149 has 16 divisors (see below), whose sum is σ = 18478342272. Its totient is φ = 6742096128.

The previous prime is 11962540141. The next prime is 11962540169. The reversal of 11962540149 is 94104526911.

It is a happy number.

It is not a de Polignac number, because 11962540149 - 2³ = 11962540141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11962540149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11962540141) 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, 3900144 + ... + 3903209.

It is an arithmetic number, because the mean of its divisors is an integer number (1154896392).

Almost surely, 2^11962540149 is an apocalyptic number.

It is an amenable number.

11962540149 is a deficient number, since it is larger than the sum of its proper divisors (6515802123).

11962540149 is an equidigital number, since it uses as much as digits as its factorization.

11962540149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803436.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 11962540149 in words is "eleven billion, nine hundred sixty-two million, five hundred forty thousand, one hundred forty-nine".