7557780075049 has 16 divisors (see below), whose sum is σ = 7655489296000. Its totient is φ = 7460552687616.

The previous prime is 7557780074951. The next prime is 7557780075067. The reversal of 7557780075049 is 9405700877557.

It is a cyclic number.

It is not a de Polignac number, because 7557780075049 - 2⁷ = 7557780074921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7557780075149) 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, 117119017 + ... + 117183529.

It is an arithmetic number, because the mean of its divisors is an integer number (478468081000).

Almost surely, 2^{7557780075049} is an apocalyptic number.

It is an amenable number.

7557780075049 is a deficient number, since it is larger than the sum of its proper divisors (97709220951).

7557780075049 is a wasteful number, since it uses less digits than its factorization.

7557780075049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68224.

The product of its (nonzero) digits is 86436000, while the sum is 64.

The spelling of 7557780075049 in words is "seven trillion, five hundred fifty-seven billion, seven hundred eighty million, seventy-five thousand, forty-nine".