105551151245 has 4 divisors (see below), whose sum is σ = 126661381500. Its totient is φ = 84440920992.

The previous prime is 105551151227. The next prime is 105551151263. The reversal of 105551151245 is 542151155501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542151155501 = 43 ⋅12608166407.

It is an interprime number because it is at equal distance from previous prime (105551151227) and next prime (105551151263).

It can be written as a sum of positive squares in 2 ways, for example, as 22698134281 + 82853016964 = 150659^2 + 287842^2 .

It is a cyclic number.

It is not a de Polignac number, because 105551151245 - 2²⁶ = 105484042381 is a prime.

It is a super-2 number, since 2×105551151245² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555115120 + ... + 10555115129.

It is an arithmetic number, because the mean of its divisors is an integer number (31665345375).

Almost surely, 2^105551151245 is an apocalyptic number.

It is an amenable number.

105551151245 is a deficient number, since it is larger than the sum of its proper divisors (21110230255).

105551151245 is an equidigital number, since it uses as much as digits as its factorization.

105551151245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21110230254.

The product of its (nonzero) digits is 25000, while the sum is 35.

The spelling of 105551151245 in words is "one hundred five billion, five hundred fifty-one million, one hundred fifty-one thousand, two hundred forty-five".