37746811121 has 2 divisors, whose sum is σ = 37746811122. Its totient is φ = 37746811120.

The previous prime is 37746811057. The next prime is 37746811183. The reversal of 37746811121 is 12111864773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37735005025 + 11806096 = 194255^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 37746811121 - 2⁶ = 37746811057 is a prime.

It is not a weakly prime, because it can be changed into another prime (37746111121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18873405560 + 18873405561.

It is an arithmetic number, because the mean of its divisors is an integer number (18873405561).

Almost surely, 2^37746811121 is an apocalyptic number.

It is an amenable number.

37746811121 is a deficient number, since it is larger than the sum of its proper divisors (1).

37746811121 is an equidigital number, since it uses as much as digits as its factorization.

37746811121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 41.

The spelling of 37746811121 in words is "thirty-seven billion, seven hundred forty-six million, eight hundred eleven thousand, one hundred twenty-one".