7151441081522 has 4 divisors (see below), whose sum is σ = 10727161622286. Its totient is φ = 3575720540760.

The previous prime is 7151441081489. The next prime is 7151441081567. The reversal of 7151441081522 is 2251801441517.

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

It can be written as a sum of positive squares in only one way, i.e., 6472694134201 + 678746947321 = 2544149^2 + 823861^2 .

It is a super-2 number, since 2×7151441081522² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7151441081522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787860270379 + ... + 1787860270382.

Almost surely, 2^{7151441081522} is an apocalyptic number.

7151441081522 is a deficient number, since it is larger than the sum of its proper divisors (3575720540764).

7151441081522 is a wasteful number, since it uses less digits than its factorization.

7151441081522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575720540763.

The product of its (nonzero) digits is 89600, while the sum is 41.

The spelling of 7151441081522 in words is "seven trillion, one hundred fifty-one billion, four hundred forty-one million, eighty-one thousand, five hundred twenty-two".