10551881552 has 10 divisors (see below), whose sum is σ = 20444270538. Its totient is φ = 5275940768.

The previous prime is 10551881539. The next prime is 10551881569. The reversal of 10551881552 is 25518815501.

It can be written as a sum of positive squares in only one way, i.e., 5854698256 + 4697183296 = 76516^2 + 68536^2 .

It is a super-2 number, since 2×10551881552² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329746283 + ... + 329746314.

Almost surely, 2^10551881552 is an apocalyptic number.

It is an amenable number.

10551881552 is a deficient number, since it is larger than the sum of its proper divisors (9892388986).

10551881552 is an equidigital number, since it uses as much as digits as its factorization.

10551881552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659492605 (or 659492599 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 41.

The spelling of 10551881552 in words is "ten billion, five hundred fifty-one million, eight hundred eighty-one thousand, five hundred fifty-two".