5101665116215 has 4 divisors (see below), whose sum is σ = 6121998139464. Its totient is φ = 4081332092968.

The previous prime is 5101665116209. The next prime is 5101665116231. The reversal of 5101665116215 is 5126115661015.

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 5101665116215 - 2¹⁷ = 5101664985143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510166511617 + ... + 510166511626.

It is an arithmetic number, because the mean of its divisors is an integer number (1530499534866).

Almost surely, 2^{5101665116215} is an apocalyptic number.

5101665116215 is a deficient number, since it is larger than the sum of its proper divisors (1020333023249).

5101665116215 is a wasteful number, since it uses less digits than its factorization.

5101665116215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020333023248.

The product of its (nonzero) digits is 54000, while the sum is 40.

The spelling of 5101665116215 in words is "five trillion, one hundred one billion, six hundred sixty-five million, one hundred sixteen thousand, two hundred fifteen".