1011315206522 has 4 divisors (see below), whose sum is σ = 1516972809786. Its totient is φ = 505657603260.

The previous prime is 1011315206507. The next prime is 1011315206597. The reversal of 1011315206522 is 2256025131101.

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., 976398920641 + 34916285881 = 988129^2 + 186859^2 .

It is a super-2 number, since 2×1011315206522² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252828801629 + ... + 252828801632.

Almost surely, 2^{1011315206522} is an apocalyptic number.

1011315206522 is a deficient number, since it is larger than the sum of its proper divisors (505657603264).

1011315206522 is an equidigital number, since it uses as much as digits as its factorization.

1011315206522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505657603263.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 1011315206522 in words is "one trillion, eleven billion, three hundred fifteen million, two hundred six thousand, five hundred twenty-two".