10501655505 has 32 divisors (see below), whose sum is σ = 18336060288. Its totient is φ = 5090073600.

The previous prime is 10501655501. The next prime is 10501655519. The reversal of 10501655505 is 50555610501.

It is not a de Polignac number, because 10501655505 - 2² = 10501655501 is a prime.

It is a super-2 number, since 2×10501655505² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10501655501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622137 + ... + 638793.

It is an arithmetic number, because the mean of its divisors is an integer number (573001884).

Almost surely, 2^10501655505 is an apocalyptic number.

10501655505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10501655505 is a deficient number, since it is larger than the sum of its proper divisors (7834404783).

10501655505 is a wasteful number, since it uses less digits than its factorization.

10501655505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20497.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 10501655505 in words is "ten billion, five hundred one million, six hundred fifty-five thousand, five hundred five".