2150635443551 has 8 divisors (see below), whose sum is σ = 2515028824704. Its totient is φ = 1800531999000.

The previous prime is 2150635443521. The next prime is 2150635443563. The reversal of 2150635443551 is 1553445360512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2150635443551 is a prime.

It is a super-2 number, since 2×2150635443551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150635443521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572483825 + ... + 3572484426.

It is an arithmetic number, because the mean of its divisors is an integer number (314378603088).

Almost surely, 2^{2150635443551} is an apocalyptic number.

2150635443551 is a deficient number, since it is larger than the sum of its proper divisors (364393381153).

2150635443551 is an equidigital number, since it uses as much as digits as its factorization.

2150635443551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144968301.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 2150635443551 in words is "two trillion, one hundred fifty billion, six hundred thirty-five million, four hundred forty-three thousand, five hundred fifty-one".