12151116007 has 4 divisors (see below), whose sum is σ = 12151927080. Its totient is φ = 12150304936.

The previous prime is 12151115983. The next prime is 12151116013. The reversal of 12151116007 is 70061115121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12151116007 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 (12151116077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382633 + ... + 413170.

It is an arithmetic number, because the mean of its divisors is an integer number (3037981770).

Almost surely, 2^12151116007 is an apocalyptic number.

12151116007 is a deficient number, since it is larger than the sum of its proper divisors (811073).

12151116007 is an equidigital number, since it uses as much as digits as its factorization.

12151116007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811072.

The product of its (nonzero) digits is 420, while the sum is 25.

The spelling of 12151116007 in words is "twelve billion, one hundred fifty-one million, one hundred sixteen thousand, seven".