1311046140461 has 16 divisors (see below), whose sum is σ = 1402981430400. Its totient is φ = 1222151884800.

The previous prime is 1311046140433. The next prime is 1311046140497. The reversal of 1311046140461 is 1640416401131.

It is a cyclic number.

It is not a de Polignac number, because 1311046140461 - 2²² = 1311041946157 is a prime.

It is a super-3 number, since 3×1311046140461³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311046140361) 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, 1032140 + ... + 1920261.

It is an arithmetic number, because the mean of its divisors is an integer number (87686339400).

Almost surely, 2^{1311046140461} is an apocalyptic number.

It is an amenable number.

1311046140461 is a deficient number, since it is larger than the sum of its proper divisors (91935289939).

1311046140461 is a wasteful number, since it uses less digits than its factorization.

1311046140461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952916.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 1311046140461 in words is "one trillion, three hundred eleven billion, forty-six million, one hundred forty thousand, four hundred sixty-one".