1115790158437 has 4 divisors (see below), whose sum is σ = 1115792365696. Its totient is φ = 1115787951180.

The previous prime is 1115790158429. The next prime is 1115790158471. The reversal of 1115790158437 is 7348510975111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1115790158437 - 2³ = 1115790158429 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 (1115790158477) 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, 72268 + ... + 1495594.

It is an arithmetic number, because the mean of its divisors is an integer number (278948091424).

Almost surely, 2^{1115790158437} is an apocalyptic number.

It is an amenable number.

1115790158437 is a deficient number, since it is larger than the sum of its proper divisors (2207259).

1115790158437 is an equidigital number, since it uses as much as digits as its factorization.

1115790158437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207258.

The product of its (nonzero) digits is 1058400, while the sum is 52.

The spelling of 1115790158437 in words is "one trillion, one hundred fifteen billion, seven hundred ninety million, one hundred fifty-eight thousand, four hundred thirty-seven".