2157346015601 has 4 divisors (see below), whose sum is σ = 2465538303552. Its totient is φ = 1849153727652.

The previous prime is 2157346015567. The next prime is 2157346015609. The reversal of 2157346015601 is 1065106437512.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2157346015601 - 2¹⁴ = 2157345999217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2157346015609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154096143965 + ... + 154096143978.

It is an arithmetic number, because the mean of its divisors is an integer number (616384575888).

Almost surely, 2^{2157346015601} is an apocalyptic number.

It is an amenable number.

2157346015601 is a deficient number, since it is larger than the sum of its proper divisors (308192287951).

2157346015601 is an equidigital number, since it uses as much as digits as its factorization.

2157346015601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308192287950.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 2157346015601 in words is "two trillion, one hundred fifty-seven billion, three hundred forty-six million, fifteen thousand, six hundred one".