2115351636361 has 8 divisors (see below), whose sum is σ = 2146963143744. Its totient is φ = 2083741278960.

The previous prime is 2115351636323. The next prime is 2115351636373. The reversal of 2115351636361 is 1636361535112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2115351636361 - 2¹¹ = 2115351634313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115351636661) 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, 3863316 + ... + 4376746.

It is an arithmetic number, because the mean of its divisors is an integer number (268370392968).

Almost surely, 2^{2115351636361} is an apocalyptic number.

It is an amenable number.

2115351636361 is a deficient number, since it is larger than the sum of its proper divisors (31611507383).

2115351636361 is an equidigital number, since it uses as much as digits as its factorization.

2115351636361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574991.

The product of its digits is 291600, while the sum is 43.

The spelling of 2115351636361 in words is "two trillion, one hundred fifteen billion, three hundred fifty-one million, six hundred thirty-six thousand, three hundred sixty-one".