1262635540413 has 96 divisors (see below), whose sum is σ = 1975196160000. Its totient is φ = 711206801280.

The previous prime is 1262635540403. The next prime is 1262635540457. The reversal of 1262635540413 is 3140455362621.

It is not a de Polignac number, because 1262635540413 - 2¹² = 1262635536317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262635540403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 631632588 + ... + 631634586.

It is an arithmetic number, because the mean of its divisors is an integer number (20574960000).

Almost surely, 2^{1262635540413} is an apocalyptic number.

1262635540413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1262635540413 is a deficient number, since it is larger than the sum of its proper divisors (712560619587).

1262635540413 is a wasteful number, since it uses less digits than its factorization.

1262635540413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1262635540413 in words is "one trillion, two hundred sixty-two billion, six hundred thirty-five million, five hundred forty thousand, four hundred thirteen".