2111320273557 has 32 divisors (see below), whose sum is σ = 3113639424000. Its totient is φ = 1261865442240.

The previous prime is 2111320273529. The next prime is 2111320273561. The reversal of 2111320273557 is 7553720231112.

It is not a de Polignac number, because 2111320273557 - 2²⁷ = 2111186055829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111320273057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1672744 + ... + 2649662.

It is an arithmetic number, because the mean of its divisors is an integer number (97301232000).

Almost surely, 2^{2111320273557} is an apocalyptic number.

It is an amenable number.

2111320273557 is a deficient number, since it is larger than the sum of its proper divisors (1002319150443).

2111320273557 is a wasteful number, since it uses less digits than its factorization.

2111320273557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977841.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 2111320273557 in words is "two trillion, one hundred eleven billion, three hundred twenty million, two hundred seventy-three thousand, five hundred fifty-seven".