103640007505 has 8 divisors (see below), whose sum is σ = 124369736832. Its totient is φ = 82910854128.

The previous prime is 103640007481. The next prime is 103640007511. The reversal of 103640007505 is 505700046301.

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 103640007505 - 2²³ = 103631618897 is a prime.

It is a super-3 number, since 3×103640007505³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637384 + ... + 783286.

It is an arithmetic number, because the mean of its divisors is an integer number (15546217104).

Almost surely, 2^103640007505 is an apocalyptic number.

It is an amenable number.

103640007505 is a deficient number, since it is larger than the sum of its proper divisors (20729729327).

103640007505 is a wasteful number, since it uses less digits than its factorization.

103640007505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287975.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 103640007505 in words is "one hundred three billion, six hundred forty million, seven thousand, five hundred five".