1050621287553 has 48 divisors (see below), whose sum is σ = 1681443912000. Its totient is φ = 648039965184.

The previous prime is 1050621287539. The next prime is 1050621287561. The reversal of 1050621287553 is 3557821260501.

1050621287553 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 6 + 2 + 12 + 87 + 553 = 666.

1050621287553 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1050621287553 - 2⁶ = 1050621287489 is a prime.

It is a super-2 number, since 2×1050621287553² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1050621287499 and 1050621287508.

It is not an unprimeable number, because it can be changed into a prime (1050621287563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 680668 + ... + 1601421.

It is an arithmetic number, because the mean of its divisors is an integer number (35030081500).

Almost surely, 2^{1050621287553} is an apocalyptic number.

It is an amenable number.

1050621287553 is a deficient number, since it is larger than the sum of its proper divisors (630822624447).

1050621287553 is a wasteful number, since it uses less digits than its factorization.

1050621287553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282191 (or 2282168 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 1050621287553 in words is "one trillion, fifty billion, six hundred twenty-one million, two hundred eighty-seven thousand, five hundred fifty-three".