1522748472251 has 16 divisors (see below), whose sum is σ = 1546562511360. Its totient is φ = 1499001759360.

The previous prime is 1522748472149. The next prime is 1522748472269.

It is a happy number.

1522748472251 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1522748472251 - 2²² = 1522744277947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1522748472251.

It is not an unprimeable number, because it can be changed into a prime (1522948472251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215774915 + ... + 215781971.

It is an arithmetic number, because the mean of its divisors is an integer number (96660156960).

Almost surely, 2^{1522748472251} is an apocalyptic number.

1522748472251 is a deficient number, since it is larger than the sum of its proper divisors (23814039109).

1522748472251 is an equidigital number, since it uses as much as digits as its factorization.

1522748472251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354.

The product of its digits is 2508800, while the sum is 50.

The spelling of 1522748472251 in words is "one trillion, five hundred twenty-two billion, seven hundred forty-eight million, four hundred seventy-two thousand, two hundred fifty-one".