37155261049 has 3 divisors (see below), whose sum is σ = 37155453807. Its totient is φ = 37155068292.

The previous prime is 37155261019. The next prime is 37155261053. The reversal of 37155261049 is 94016255173.

The square root of 37155261049 is 192757.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94016255173 = 647 ⋅145311059.

It can be written as a sum of positive squares in only one way, i.e., 37127509225 + 27751824 = 192685^2 + 5268^2 .

It is a de Polignac number, because none of the positive numbers 2^k-37155261049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37155260996 and 37155261014.

It is not an unprimeable number, because it can be changed into a prime (37155261019) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 96379 + ... + 289135.

It is an arithmetic number, because the mean of its divisors is an integer number (12385151269).

Almost surely, 2^37155261049 is an apocalyptic number.

37155261049 is the 192757-th square number.

37155261049 is the 96379-th centered octagonal number.

It is an amenable number.

37155261049 is a deficient number, since it is larger than the sum of its proper divisors (192758).

37155261049 is an frugal number, since it uses more digits than its factorization.

37155261049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385514 (or 192757 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 37155261049 in words is "thirty-seven billion, one hundred fifty-five million, two hundred sixty-one thousand, forty-nine".