101005040504 has 8 divisors (see below), whose sum is σ = 189384450960. Its totient is φ = 50502520248.

The previous prime is 101005040399. The next prime is 101005040509. The reversal of 101005040504 is 405040500101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101005040509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312815024 + ... + 6312815039.

It is an arithmetic number, because the mean of its divisors is an integer number (23673056370).

Almost surely, 2^101005040504 is an apocalyptic number.

It is an amenable number.

101005040504 is a deficient number, since it is larger than the sum of its proper divisors (88379410456).

101005040504 is a wasteful number, since it uses less digits than its factorization.

101005040504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12625630069 (or 12625630065 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 101005040504 its reverse (405040500101), we get a palindrome (506045540605).

The spelling of 101005040504 in words is "one hundred one billion, five million, forty thousand, five hundred four".