1021616142115 has 8 divisors (see below), whose sum is σ = 1225985168448. Its totient is φ = 817262381760.

The previous prime is 1021616142109. The next prime is 1021616142139. The reversal of 1021616142115 is 5112416161201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1021616142115 - 2²⁹ = 1021079271203 is a prime.

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, 3668746 + ... + 3937375.

It is an arithmetic number, because the mean of its divisors is an integer number (153248146056).

Almost surely, 2^{1021616142115} is an apocalyptic number.

1021616142115 is a deficient number, since it is larger than the sum of its proper divisors (204369026333).

1021616142115 is an equidigital number, since it uses as much as digits as its factorization.

1021616142115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632989.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 1021616142115 in words is "one trillion, twenty-one billion, six hundred sixteen million, one hundred forty-two thousand, one hundred fifteen".