105031515551 has 8 divisors (see below), whose sum is σ = 105655291680. Its totient is φ = 104407931232.

The previous prime is 105031515509. The next prime is 105031515613. The reversal of 105031515551 is 155515130501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105031515551 - 2⁶ = 105031515487 is a prime.

It is a super-2 number, since 2×105031515551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105031517551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136966 + ... + 1225868.

It is an arithmetic number, because the mean of its divisors is an integer number (13206911460).

Almost surely, 2^105031515551 is an apocalyptic number.

105031515551 is a deficient number, since it is larger than the sum of its proper divisors (623776129).

105031515551 is an equidigital number, since it uses as much as digits as its factorization.

105031515551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95905.

The product of its (nonzero) digits is 9375, while the sum is 32.

The spelling of 105031515551 in words is "one hundred five billion, thirty-one million, five hundred fifteen thousand, five hundred fifty-one".