37049112181 has 4 divisors (see below), whose sum is σ = 38244244864. Its totient is φ = 35853979500.

The previous prime is 37049112179. The next prime is 37049112239. The reversal of 37049112181 is 18121194073.

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 37049112181 - 2¹ = 37049112179 is a prime.

It is a super-2 number, since 2×37049112181² (a number of 22 digits) contains 22 as substring.

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 37049112181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37049112101) 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, 597566295 + ... + 597566356.

It is an arithmetic number, because the mean of its divisors is an integer number (9561061216).

Almost surely, 2^37049112181 is an apocalyptic number.

37049112181 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

37049112181 is a deficient number, since it is larger than the sum of its proper divisors (1195132683).

37049112181 is a wasteful number, since it uses less digits than its factorization.

37049112181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195132682.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 37049112181 in words is "thirty-seven billion, forty-nine million, one hundred twelve thousand, one hundred eighty-one".