1238525730011 has 8 divisors (see below), whose sum is σ = 1240583097600. Its totient is φ = 1236469524480.

The previous prime is 1238525730007. The next prime is 1238525730037. The reversal of 1238525730011 is 1100375258321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1238525730011 - 2² = 1238525730007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238525730511) 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, 1856006 + ... + 2433476.

It is an arithmetic number, because the mean of its divisors is an integer number (155072887200).

Almost surely, 2^{1238525730011} is an apocalyptic number.

1238525730011 is a deficient number, since it is larger than the sum of its proper divisors (2057367589).

1238525730011 is an equidigital number, since it uses as much as digits as its factorization.

1238525730011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581029.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 1238525730011 in words is "one trillion, two hundred thirty-eight billion, five hundred twenty-five million, seven hundred thirty thousand, eleven".