75301378011 has 24 divisors (see below), whose sum is σ = 114773012640. Its totient is φ = 47478727296.

The previous prime is 75301378007. The next prime is 75301378039. The reversal of 75301378011 is 11087310357.

It is a happy number.

75301378011 is a `hidden beast` number, since 7 + 530 + 1 + 37 + 80 + 11 = 666.

It is not a de Polignac number, because 75301378011 - 2² = 75301378007 is a prime.

It is a super-2 number, since 2×75301378011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75301371011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2025256 + ... + 2062101.

It is an arithmetic number, because the mean of its divisors is an integer number (4782208860).

Almost surely, 2^75301378011 is an apocalyptic number.

75301378011 is a deficient number, since it is larger than the sum of its proper divisors (39471634629).

75301378011 is a wasteful number, since it uses less digits than its factorization.

75301378011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087475 (or 4087472 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

Adding to 75301378011 its reverse (11087310357), we get a palindrome (86388688368).

The spelling of 75301378011 in words is "seventy-five billion, three hundred one million, three hundred seventy-eight thousand, eleven".