12040366361465 has 16 divisors (see below), whose sum is σ = 15560994229200. Its totient is φ = 8890698231552.

The previous prime is 12040366361461. The next prime is 12040366361557. The reversal of 12040366361465 is 56416366304021.

It can be written as a sum of positive squares in 8 ways, for example, as 99008398336 + 11941357963129 = 314656^2 + 3455627^2 .

It is a cyclic number.

It is not a de Polignac number, because 12040366361465 - 2² = 12040366361461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12040366361461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5864930 + ... + 7647099.

It is an arithmetic number, because the mean of its divisors is an integer number (972562139325).

Almost surely, 2^{12040366361465} is an apocalyptic number.

It is an amenable number.

12040366361465 is a deficient number, since it is larger than the sum of its proper divisors (3520627867735).

12040366361465 is a wasteful number, since it uses less digits than its factorization.

12040366361465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13525756.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 12040366361465 in words is "twelve trillion, forty billion, three hundred sixty-six million, three hundred sixty-one thousand, four hundred sixty-five".