45878740001261 has 2 divisors, whose sum is σ = 45878740001262. Its totient is φ = 45878740001260.

The previous prime is 45878740001219. The next prime is 45878740001279. The reversal of 45878740001261 is 16210004787854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37961691625636 + 7917048375625 = 6161306^2 + 2813725^2 .

It is a cyclic number.

It is not a de Polignac number, because 45878740001261 - 2¹⁴ = 45878739984877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45878740001761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22939370000630 + 22939370000631.

It is an arithmetic number, because the mean of its divisors is an integer number (22939370000631).

Almost surely, 2^{45878740001261} is an apocalyptic number.

It is an amenable number.

45878740001261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45878740001261 is an equidigital number, since it uses as much as digits as its factorization.

45878740001261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 45878740001261 in words is "forty-five trillion, eight hundred seventy-eight billion, seven hundred forty million, one thousand, two hundred sixty-one".