1550907162001 has 4 divisors (see below), whose sum is σ = 1551565164852. Its totient is φ = 1550249159152.

The previous prime is 1550907161849. The next prime is 1550907162011. The reversal of 1550907162001 is 1002617090551.

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 806181311376 + 744725850625 = 897876^2 + 862975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550907162001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550907162011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328997890 + ... + 329002603.

It is an arithmetic number, because the mean of its divisors is an integer number (387891291213).

Almost surely, 2^{1550907162001} is an apocalyptic number.

It is an amenable number.

1550907162001 is a deficient number, since it is larger than the sum of its proper divisors (658002851).

1550907162001 is an equidigital number, since it uses as much as digits as its factorization.

1550907162001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658002850.

The product of its (nonzero) digits is 18900, while the sum is 37.

The spelling of 1550907162001 in words is "one trillion, five hundred fifty billion, nine hundred seven million, one hundred sixty-two thousand, one".