2150640226535 has 4 divisors (see below), whose sum is σ = 2580768271848. Its totient is φ = 1720512181224.

The previous prime is 2150640226531. The next prime is 2150640226547. The reversal of 2150640226535 is 5356220460512.

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 2150640226535 - 2² = 2150640226531 is a prime.

It is a super-2 number, since 2×2150640226535² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2150640226492 and 2150640226501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150640226531) 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, 215064022649 + ... + 215064022658.

It is an arithmetic number, because the mean of its divisors is an integer number (645192067962).

Almost surely, 2^{2150640226535} is an apocalyptic number.

2150640226535 is a deficient number, since it is larger than the sum of its proper divisors (430128045313).

2150640226535 is an equidigital number, since it uses as much as digits as its factorization.

2150640226535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430128045312.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 2150640226535 in words is "two trillion, one hundred fifty billion, six hundred forty million, two hundred twenty-six thousand, five hundred thirty-five".