2101315545766 has 8 divisors (see below), whose sum is σ = 3160423650384. Its totient is φ = 1047840995640.

The previous prime is 2101315545743. The next prime is 2101315545767. The reversal of 2101315545766 is 6675455131012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101315545767) 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, 1408387690 + ... + 1408389181.

It is an arithmetic number, because the mean of its divisors is an integer number (395052956298).

Almost surely, 2^{2101315545766} is an apocalyptic number.

2101315545766 is a deficient number, since it is larger than the sum of its proper divisors (1059108104618).

2101315545766 is a wasteful number, since it uses less digits than its factorization.

2101315545766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816777246.

The product of its (nonzero) digits is 756000, while the sum is 46.

It can be divided in two parts, 21013155 and 45766, that added together give a square (21058921 = 4589²).

The spelling of 2101315545766 in words is "two trillion, one hundred one billion, three hundred fifteen million, five hundred forty-five thousand, seven hundred sixty-six".