1507838492161 has 2 divisors, whose sum is σ = 1507838492162. Its totient is φ = 1507838492160.

The previous prime is 1507838492137. The next prime is 1507838492177. The reversal of 1507838492161 is 1612948387051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1393743163761 + 114095328400 = 1180569^2 + 337780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1507838492161 - 2⁷ = 1507838492033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1507838492561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753919246080 + 753919246081.

It is an arithmetic number, because the mean of its divisors is an integer number (753919246081).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1507838492161 = 3015676984322, but 3⋅1507838492161 = 4523515476483 is not.

Almost surely, 2^{1507838492161} is an apocalyptic number.

It is an amenable number.

1507838492161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1507838492161 is an equidigital number, since it uses as much as digits as its factorization.

1507838492161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 1507838492161 in words is "one trillion, five hundred seven billion, eight hundred thirty-eight million, four hundred ninety-two thousand, one hundred sixty-one".