103662215050551 has 4 divisors (see below), whose sum is σ = 138216286734072. Its totient is φ = 69108143367032.

The previous prime is 103662215050549. The next prime is 103662215050573. The reversal of 103662215050551 is 155050512266301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 103662215050551 - 2¹ = 103662215050549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103662215050451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17277035841756 + ... + 17277035841761.

It is an arithmetic number, because the mean of its divisors is an integer number (34554071683518).

Almost surely, 2^{103662215050551} is an apocalyptic number.

103662215050551 is a deficient number, since it is larger than the sum of its proper divisors (34554071683521).

103662215050551 is an equidigital number, since it uses as much as digits as its factorization.

103662215050551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34554071683520.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 103662215050551 in words is "one hundred three trillion, six hundred sixty-two billion, two hundred fifteen million, fifty thousand, five hundred fifty-one".