37126556961 has 12 divisors (see below), whose sum is σ = 53602840368. Its totient is φ = 22847111664.

The previous prime is 37126556959. The next prime is 37126556981. The reversal of 37126556961 is 16965562173.

It is not a de Polignac number, because 37126556961 - 2¹ = 37126556959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37126556981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36613455 + ... + 36614468.

It is an arithmetic number, because the mean of its divisors is an integer number (4466903364).

Almost surely, 2^37126556961 is an apocalyptic number.

It is an amenable number.

37126556961 is a deficient number, since it is larger than the sum of its proper divisors (16476283407).

37126556961 is a wasteful number, since it uses less digits than its factorization.

37126556961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73227952 (or 73227939 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 51.

The spelling of 37126556961 in words is "thirty-seven billion, one hundred twenty-six million, five hundred fifty-six thousand, nine hundred sixty-one".