75061815201 has 12 divisors (see below), whose sum is σ = 109202642640. Its totient is φ = 49681200600.

The previous prime is 75061815197. The next prime is 75061815211. The reversal of 75061815201 is 10251816057.

75061815201 is a `hidden beast` number, since 7 + 5 + 0 + 618 + 15 + 20 + 1 = 666.

It is not a de Polignac number, because 75061815201 - 2² = 75061815197 is a prime.

It is a super-2 number, since 2×75061815201² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (75061815211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29999475 + ... + 30001976.

It is an arithmetic number, because the mean of its divisors is an integer number (9100220220).

Almost surely, 2^75061815201 is an apocalyptic number.

It is an amenable number.

75061815201 is a deficient number, since it is larger than the sum of its proper divisors (34140827439).

75061815201 is a wasteful number, since it uses less digits than its factorization.

75061815201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60001596 (or 60001593 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 75061815201 in words is "seventy-five billion, sixty-one million, eight hundred fifteen thousand, two hundred one".