11962251687 has 8 divisors (see below), whose sum is σ = 15950174320. Its totient is φ = 7974581760.

The previous prime is 11962251683. The next prime is 11962251689. The reversal of 11962251687 is 78615226911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11962251687 - 2² = 11962251683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11962251683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151239 + ... + 216327.

It is an arithmetic number, because the mean of its divisors is an integer number (1993771790).

Almost surely, 2^11962251687 is an apocalyptic number.

11962251687 is a deficient number, since it is larger than the sum of its proper divisors (3987922633).

11962251687 is an equidigital number, since it uses as much as digits as its factorization.

11962251687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126353.

The product of its digits is 362880, while the sum is 48.

The spelling of 11962251687 in words is "eleven billion, nine hundred sixty-two million, two hundred fifty-one thousand, six hundred eighty-seven".