1351642650511 has 8 divisors (see below), whose sum is σ = 1471843177200. Its totient is φ = 1236348267840.

The previous prime is 1351642650509. The next prime is 1351642650581. The reversal of 1351642650511 is 1150562461531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1351642650511 - 2¹ = 1351642650509 is a prime.

It is a super-2 number, since 2×1351642650511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351642650581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226535430 + ... + 1226536531.

It is an arithmetic number, because the mean of its divisors is an integer number (183980397150).

Almost surely, 2^{1351642650511} is an apocalyptic number.

1351642650511 is a deficient number, since it is larger than the sum of its proper divisors (120200526689).

1351642650511 is a wasteful number, since it uses less digits than its factorization.

1351642650511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453072009.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 1351642650511 in words is "one trillion, three hundred fifty-one billion, six hundred forty-two million, six hundred fifty thousand, five hundred eleven".