1151696687 has 4 divisors (see below), whose sum is σ = 1201770480. Its totient is φ = 1101622896.

The previous prime is 1151696659. The next prime is 1151696699. The reversal of 1151696687 is 7866961511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7866961511 = 769 ⋅10230119.

It is a cyclic number.

It is not a de Polignac number, because 1151696687 - 2¹⁴ = 1151680303 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 (1151696087) 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, 25036862 + ... + 25036907.

It is an arithmetic number, because the mean of its divisors is an integer number (300442620).

Almost surely, 2^1151696687 is an apocalyptic number.

1151696687 is a deficient number, since it is larger than the sum of its proper divisors (50073793).

1151696687 is an equidigital number, since it uses as much as digits as its factorization.

1151696687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50073792.

The product of its digits is 544320, while the sum is 50.

The square root of 1151696687 is about 33936.6569803214. The cubic root of 1151696687 is about 1048.2045467219.

The spelling of 1151696687 in words is "one billion, one hundred fifty-one million, six hundred ninety-six thousand, six hundred eighty-seven".