2053126777357 has 4 divisors (see below), whose sum is σ = 2053133637660. Its totient is φ = 2053119917056.

The previous prime is 2053126777327. The next prime is 2053126777367. The reversal of 2053126777357 is 7537776213502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1666903059396 + 386223717961 = 1291086^2 + 621469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2053126777357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2053126777298 and 2053126777307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053126777327) 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, 2959732 + ... + 3586957.

It is an arithmetic number, because the mean of its divisors is an integer number (513283409415).

Almost surely, 2^{2053126777357} is an apocalyptic number.

It is an amenable number.

2053126777357 is a deficient number, since it is larger than the sum of its proper divisors (6860303).

2053126777357 is an equidigital number, since it uses as much as digits as its factorization.

2053126777357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860302.

The product of its (nonzero) digits is 12965400, while the sum is 55.

The spelling of 2053126777357 in words is "two trillion, fifty-three billion, one hundred twenty-six million, seven hundred seventy-seven thousand, three hundred fifty-seven".