1351701261553 has 4 divisors (see below), whose sum is σ = 1352774893680. Its totient is φ = 1350627629428.

The previous prime is 1351701261539. The next prime is 1351701261643. The reversal of 1351701261553 is 3551621071531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351701261553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351701261653) 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, 536814175 + ... + 536816692.

It is an arithmetic number, because the mean of its divisors is an integer number (338193723420).

Almost surely, 2^{1351701261553} is an apocalyptic number.

It is an amenable number.

1351701261553 is a deficient number, since it is larger than the sum of its proper divisors (1073632127).

1351701261553 is a wasteful number, since it uses less digits than its factorization.

1351701261553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073632126.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 1351701261553 in words is "one trillion, three hundred fifty-one billion, seven hundred one million, two hundred sixty-one thousand, five hundred fifty-three".