75377445054561 has 32 divisors (see below), whose sum is σ = 124139676093440. Its totient is φ = 44889793574400.

The previous prime is 75377445054469. The next prime is 75377445054563. The reversal of 75377445054561 is 16545054477357.

75377445054561 is a `hidden beast` number, since 7 + 5 + 3 + 7 + 74 + 4 + 505 + 4 + 56 + 1 = 666.

It is not a de Polignac number, because 75377445054561 - 2⁷ = 75377445054433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75377445054563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3463707760 + ... + 3463729521.

It is an arithmetic number, because the mean of its divisors is an integer number (3879364877920).

Almost surely, 2^{75377445054561} is an apocalyptic number.

It is an amenable number.

75377445054561 is a deficient number, since it is larger than the sum of its proper divisors (48762231038879).

75377445054561 is a wasteful number, since it uses less digits than its factorization.

75377445054561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927437334 (or 6927437328 counting only the distinct ones).

The product of its (nonzero) digits is 246960000, while the sum is 63.

The spelling of 75377445054561 in words is "seventy-five trillion, three hundred seventy-seven billion, four hundred forty-five million, fifty-four thousand, five hundred sixty-one".