1351657760044 has 12 divisors (see below), whose sum is σ = 2429330839264. Its totient is φ = 657563234544.

The previous prime is 1351657760023. The next prime is 1351657760053. The reversal of 1351657760044 is 4400677561531.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1351657760044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566411204 + ... + 4566411499.

Almost surely, 2^{1351657760044} is an apocalyptic number.

It is an amenable number.

1351657760044 is a deficient number, since it is larger than the sum of its proper divisors (1077673079220).

1351657760044 is a wasteful number, since it uses less digits than its factorization.

1351657760044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132822744 (or 9132822742 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 1351657760044 in words is "one trillion, three hundred fifty-one billion, six hundred fifty-seven million, seven hundred sixty thousand, forty-four".