75220261136 has 40 divisors (see below), whose sum is σ = 148870293120. Its totient is φ = 36802446464.

The previous prime is 75220261117. The next prime is 75220261139. The reversal of 75220261136 is 63116202257.

It is a junction number, because it is equal to n+sod(n) for n = 75220261096 and 75220261105.

It is not an unprimeable number, because it can be changed into a prime (75220261139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6332675 + ... + 6344541.

It is an arithmetic number, because the mean of its divisors is an integer number (3721757328).

Almost surely, 2^75220261136 is an apocalyptic number.

It is an amenable number.

75220261136 is a deficient number, since it is larger than the sum of its proper divisors (73650031984).

75220261136 is a wasteful number, since it uses less digits than its factorization.

75220261136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20351 (or 20345 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 75220261136 in words is "seventy-five billion, two hundred twenty million, two hundred sixty-one thousand, one hundred thirty-six".