10551501550 has 24 divisors (see below), whose sum is σ = 19633341600. Its totient is φ = 4218977280.

The previous prime is 10551501539. The next prime is 10551501563. The reversal of 10551501550 is 5510515501.

It is a super-2 number, since 2×10551501550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 95211 + ... + 173689.

It is an arithmetic number, because the mean of its divisors is an integer number (818055900).

Almost surely, 2^10551501550 is an apocalyptic number.

10551501550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10551501550 is a deficient number, since it is larger than the sum of its proper divisors (9081840050).

10551501550 is a wasteful number, since it uses less digits than its factorization.

10551501550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81180 (or 81175 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 10551501550 in words is "ten billion, five hundred fifty-one million, five hundred one thousand, five hundred fifty".