10521533451050 has 12 divisors (see below), whose sum is σ = 19570052219046. Its totient is φ = 4208613380400.

The previous prime is 10521533451047. The next prime is 10521533451053. The reversal of 10521533451050 is 5015433512501.

It is an interprime number because it is at equal distance from previous prime (10521533451047) and next prime (10521533451053).

It can be written as a sum of positive squares in 3 ways, for example, as 3910098895609 + 6611434555441 = 1977397^2 + 2571271^2 .

It is a super-2 number, since 2×10521533451050² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10521533451050.

It is not an unprimeable number, because it can be changed into a prime (10521533451053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105215334461 + ... + 105215334560.

Almost surely, 2^{10521533451050} is an apocalyptic number.

10521533451050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10521533451050 is a deficient number, since it is larger than the sum of its proper divisors (9048518767996).

10521533451050 is a wasteful number, since it uses less digits than its factorization.

10521533451050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210430669033 (or 210430669028 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 10521533451050 its reverse (5015433512501), we get a palindrome (15536966963551).

The spelling of 10521533451050 in words is "ten trillion, five hundred twenty-one billion, five hundred thirty-three million, four hundred fifty-one thousand, fifty".