10161155161515 has 8 divisors (see below), whose sum is σ = 16257848258448. Its totient is φ = 5419282752800.

The previous prime is 10161155161511. The next prime is 10161155161523. The reversal of 10161155161515 is 51516155116101.

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

It is not a de Polignac number, because 10161155161515 - 2² = 10161155161511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10161155161511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338705172036 + ... + 338705172065.

It is an arithmetic number, because the mean of its divisors is an integer number (2032231032306).

Almost surely, 2^{10161155161515} is an apocalyptic number.

10161155161515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10161155161515 is a deficient number, since it is larger than the sum of its proper divisors (6096693096933).

10161155161515 is an equidigital number, since it uses as much as digits as its factorization.

10161155161515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677410344109.

The product of its (nonzero) digits is 22500, while the sum is 39.

The spelling of 10161155161515 in words is "ten trillion, one hundred sixty-one billion, one hundred fifty-five million, one hundred sixty-one thousand, five hundred fifteen".