105369452551 has 4 divisors (see below), whose sum is σ = 114948493704. Its totient is φ = 95790411400.

The previous prime is 105369452497. The next prime is 105369452557. The reversal of 105369452551 is 155254963501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105369452551 - 2¹⁹ = 105368928263 is a prime.

It is a super-2 number, since 2×105369452551² (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 (105369452557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4789520560 + ... + 4789520581.

It is an arithmetic number, because the mean of its divisors is an integer number (28737123426).

Almost surely, 2^105369452551 is an apocalyptic number.

105369452551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105369452551 is a deficient number, since it is larger than the sum of its proper divisors (9579041153).

105369452551 is an equidigital number, since it uses as much as digits as its factorization.

105369452551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579041152.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 105369452551 in words is "one hundred five billion, three hundred sixty-nine million, four hundred fifty-two thousand, five hundred fifty-one".