1572053766253 has 4 divisors (see below), whose sum is σ = 1586476277980. Its totient is φ = 1557631254528.

The previous prime is 1572053766229. The next prime is 1572053766391. The reversal of 1572053766253 is 3526673502751.

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 651994881444 + 920058884809 = 807462^2 + 959197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572053766253 - 2⁵ = 1572053766221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1572053766253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572053766053) 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, 7211255700 + ... + 7211255917.

It is an arithmetic number, because the mean of its divisors is an integer number (396619069495).

Almost surely, 2^{1572053766253} is an apocalyptic number.

It is an amenable number.

1572053766253 is a deficient number, since it is larger than the sum of its proper divisors (14422511727).

1572053766253 is a wasteful number, since it uses less digits than its factorization.

1572053766253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14422511726.

The product of its (nonzero) digits is 7938000, while the sum is 52.

The spelling of 1572053766253 in words is "one trillion, five hundred seventy-two billion, fifty-three million, seven hundred sixty-six thousand, two hundred fifty-three".