37115721361 has 8 divisors (see below), whose sum is σ = 39071674880. Its totient is φ = 35160017328.

The previous prime is 37115721319. The next prime is 37115721371. The reversal of 37115721361 is 16312751173.

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

It is a cyclic number.

It is not a de Polignac number, because 37115721361 - 2²³ = 37107332753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37115721361.

It is not an unprimeable number, because it can be changed into a prime (37115721371) 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, 295795 + ... + 402151.

It is an arithmetic number, because the mean of its divisors is an integer number (4883959360).

Almost surely, 2^37115721361 is an apocalyptic number.

It is an amenable number.

37115721361 is a deficient number, since it is larger than the sum of its proper divisors (1955953519).

37115721361 is a wasteful number, since it uses less digits than its factorization.

37115721361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124743.

The product of its digits is 26460, while the sum is 37.

The spelling of 37115721361 in words is "thirty-seven billion, one hundred fifteen million, seven hundred twenty-one thousand, three hundred sixty-one".