11678961037 has 4 divisors (see below), whose sum is σ = 11693398140. Its totient is φ = 11664523936.

The previous prime is 11678961031. The next prime is 11678961043. The reversal of 11678961037 is 73016987611.

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

It is an interprime number because it is at equal distance from previous prime (11678961031) and next prime (11678961043).

It can be written as a sum of positive squares in 2 ways, for example, as 5343756201 + 6335204836 = 73101^2 + 79594^2 .

It is a cyclic number.

It is not a de Polignac number, because 11678961037 - 2³ = 11678961029 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678961031) 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, 7217338 + ... + 7218955.

It is an arithmetic number, because the mean of its divisors is an integer number (2923349535).

Almost surely, 2^11678961037 is an apocalyptic number.

It is an amenable number.

11678961037 is a deficient number, since it is larger than the sum of its proper divisors (14437103).

11678961037 is an equidigital number, since it uses as much as digits as its factorization.

11678961037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437102.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 11678961037 in words is "eleven billion, six hundred seventy-eight million, nine hundred sixty-one thousand, thirty-seven".