7155050105 has 64 divisors (see below), whose sum is σ = 10439470080. Its totient is φ = 4602064896.

The previous prime is 7155050099. The next prime is 7155050107. The reversal of 7155050105 is 5010505517.

It is a cyclic number.

It is not a de Polignac number, because 7155050105 - 2³² = 2860082809 is a prime.

It is a super-2 number, since 2×7155050105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7155050107) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 18393251 + ... + 18393639.

It is an arithmetic number, because the mean of its divisors is an integer number (163116720).

Almost surely, 2^7155050105 is an apocalyptic number.

It is an amenable number.

7155050105 is a deficient number, since it is larger than the sum of its proper divisors (3284419975).

7155050105 is a wasteful number, since it uses less digits than its factorization.

7155050105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 7155050105 is about 84587.5292522485. The cubic root of 7155050105 is about 1926.9519845644.

The spelling of 7155050105 in words is "seven billion, one hundred fifty-five million, fifty thousand, one hundred five".