103615531612651 has 4 divisors (see below), whose sum is σ = 103646268943704. Its totient is φ = 103584794281600.

The previous prime is 103615531612591. The next prime is 103615531612699. The reversal of 103615531612651 is 156216135516301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103615531612651 is a prime.

It is a super-3 number, since 3×103615531612651³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103615531619651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15368660470 + ... + 15368667211.

It is an arithmetic number, because the mean of its divisors is an integer number (25911567235926).

Almost surely, 2^{103615531612651} is an apocalyptic number.

103615531612651 is a deficient number, since it is larger than the sum of its proper divisors (30737331053).

103615531612651 is an equidigital number, since it uses as much as digits as its factorization.

103615531612651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30737331052.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 103615531612651 in words is "one hundred three trillion, six hundred fifteen billion, five hundred thirty-one million, six hundred twelve thousand, six hundred fifty-one".