1351161607450 has 24 divisors (see below), whose sum is σ = 2536217119260. Its totient is φ = 535506249600.

The previous prime is 1351161607417. The next prime is 1351161607451. The reversal of 1351161607450 is 547061611531.

It can be written as a sum of positive squares in 6 ways, for example, as 698299223449 + 652862384001 = 835643^2 + 807999^2 .

It is not an unprimeable number, because it can be changed into a prime (1351161607451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123954331 + ... + 123965230.

Almost surely, 2^{1351161607450} is an apocalyptic number.

1351161607450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1351161607450 is a deficient number, since it is larger than the sum of its proper divisors (1185055511810).

1351161607450 is a wasteful number, since it uses less digits than its factorization.

1351161607450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247919682 (or 247919677 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 1351161607450 in words is "one trillion, three hundred fifty-one billion, one hundred sixty-one million, six hundred seven thousand, four hundred fifty".