1351701261551 has 16 divisors (see below), whose sum is σ = 1361755143840. Its totient is φ = 1341678349440.

The previous prime is 1351701261539. The next prime is 1351701261643. The reversal of 1351701261551 is 1551621071531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351701261551 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 (1351701261851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335657600 + ... + 335661626.

It is an arithmetic number, because the mean of its divisors is an integer number (85109696490).

Almost surely, 2^{1351701261551} is an apocalyptic number.

1351701261551 is a deficient number, since it is larger than the sum of its proper divisors (10053882289).

1351701261551 is a wasteful number, since it uses less digits than its factorization.

1351701261551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its (nonzero) digits is 31500, while the sum is 38.

The spelling of 1351701261551 in words is "one trillion, three hundred fifty-one billion, seven hundred one million, two hundred sixty-one thousand, five hundred fifty-one".