2156615403301 has 8 divisors (see below), whose sum is σ = 2178411200640. Its totient is φ = 2134849986048.

The previous prime is 2156615403289. The next prime is 2156615403307. The reversal of 2156615403301 is 1033045166512.

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 2156615403301 - 2²¹ = 2156613306149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156615403307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7452316 + ... + 7736293.

It is an arithmetic number, because the mean of its divisors is an integer number (272301400080).

Almost surely, 2^{2156615403301} is an apocalyptic number.

It is an amenable number.

2156615403301 is a deficient number, since it is larger than the sum of its proper divisors (21795797339).

2156615403301 is a wasteful number, since it uses less digits than its factorization.

2156615403301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190043.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 2156615403301 in words is "two trillion, one hundred fifty-six billion, six hundred fifteen million, four hundred three thousand, three hundred one".