105402640541 has 4 divisors (see below), whose sum is σ = 114984698784. Its totient is φ = 95820582300.

The previous prime is 105402640537. The next prime is 105402640561. The reversal of 105402640541 is 145046204501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105402640541 - 2² = 105402640537 is a prime.

It is a super-2 number, since 2×105402640541² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105402640498 and 105402640507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105402640501) 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, 4791029105 + ... + 4791029126.

It is an arithmetic number, because the mean of its divisors is an integer number (28746174696).

Almost surely, 2^105402640541 is an apocalyptic number.

105402640541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105402640541 is a deficient number, since it is larger than the sum of its proper divisors (9582058243).

105402640541 is an equidigital number, since it uses as much as digits as its factorization.

105402640541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582058242.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 105402640541 in words is "one hundred five billion, four hundred two million, six hundred forty thousand, five hundred forty-one".