105078307551 has 16 divisors (see below), whose sum is σ = 161536314624. Its totient is φ = 59513376384.

The previous prime is 105078307519. The next prime is 105078307559. The reversal of 105078307551 is 155703870501.

It is not a de Polignac number, because 105078307551 - 2⁵ = 105078307519 is a prime.

It is a super-2 number, since 2×105078307551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105078307559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22138021 + ... + 22142766.

It is an arithmetic number, because the mean of its divisors is an integer number (10096019664).

Almost surely, 2^105078307551 is an apocalyptic number.

105078307551 is a deficient number, since it is larger than the sum of its proper divisors (56458007073).

105078307551 is a wasteful number, since it uses less digits than its factorization.

105078307551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44280910.

The product of its (nonzero) digits is 147000, while the sum is 42.

The spelling of 105078307551 in words is "one hundred five billion, seventy-eight million, three hundred seven thousand, five hundred fifty-one".