1240461148775 has 12 divisors (see below), whose sum is σ = 1605048861072. Its totient is φ = 949222443840.

The previous prime is 1240461148723. The next prime is 1240461148819. The reversal of 1240461148775 is 5778411640421.

It is a de Polignac number, because none of the positive numbers 2^k-1240461148775 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078661294 + ... + 1078662443.

It is an arithmetic number, because the mean of its divisors is an integer number (133754071756).

Almost surely, 2^{1240461148775} is an apocalyptic number.

1240461148775 is a deficient number, since it is larger than the sum of its proper divisors (364587712297).

1240461148775 is a wasteful number, since it uses less digits than its factorization.

1240461148775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157323770 (or 2157323765 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 1240461148775 in words is "one trillion, two hundred forty billion, four hundred sixty-one million, one hundred forty-eight thousand, seven hundred seventy-five".