1391775425053 has 4 divisors (see below), whose sum is σ = 1498835073148. Its totient is φ = 1284715776960.

The previous prime is 1391775425017. The next prime is 1391775425057. The reversal of 1391775425053 is 3505245771931.

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 259002619929 + 1132772805124 = 508923^2 + 1064318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1391775425053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391775425057) 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, 53529824028 + ... + 53529824053.

It is an arithmetic number, because the mean of its divisors is an integer number (374708768287).

Almost surely, 2^{1391775425053} is an apocalyptic number.

1391775425053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1391775425053 is a deficient number, since it is larger than the sum of its proper divisors (107059648095).

1391775425053 is a wasteful number, since it uses less digits than its factorization.

1391775425053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107059648094.

The product of its (nonzero) digits is 3969000, while the sum is 52.

The spelling of 1391775425053 in words is "one trillion, three hundred ninety-one billion, seven hundred seventy-five million, four hundred twenty-five thousand, fifty-three".