340111505501 has 4 divisors (see below), whose sum is σ = 346528703772. Its totient is φ = 333694307232.

The previous prime is 340111505479. The next prime is 340111505563. The reversal of 340111505501 is 105505111043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 208781369476 + 131330136025 = 456926^2 + 362395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340111505501 is a prime.

It is a super-2 number, since 2×340111505501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340111505101) 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, 3208599056 + ... + 3208599161.

It is an arithmetic number, because the mean of its divisors is an integer number (86632175943).

Almost surely, 2^340111505501 is an apocalyptic number.

It is an amenable number.

340111505501 is a deficient number, since it is larger than the sum of its proper divisors (6417198271).

340111505501 is an equidigital number, since it uses as much as digits as its factorization.

340111505501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417198270.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 340111505501 its reverse (105505111043), we get a palindrome (445616616544).

The spelling of 340111505501 in words is "three hundred forty billion, one hundred eleven million, five hundred five thousand, five hundred one".