101161527481 has 15 divisors (see below), whose sum is σ = 118032943973. Its totient is φ = 86696522220.

The previous prime is 101161527473. The next prime is 101161527487. The reversal of 101161527481 is 184725161101.

The square root of 101161527481 is 318059.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 101161527481 - 2³ = 101161527473 is a prime.

It is a super-2 number, since 2×101161527481² (a number of 23 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 101161527481.

It is not an unprimeable number, because it can be changed into a prime (101161527487) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 15581646 + ... + 15588136.

Almost surely, 2^101161527481 is an apocalyptic number.

101161527481 is the 318059-th square number.

101161527481 is the 159030-th centered octagonal number.

It is an amenable number.

101161527481 is a deficient number, since it is larger than the sum of its proper divisors (16871416492).

101161527481 is an frugal number, since it uses more digits than its factorization.

101161527481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13010 (or 6498 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

Adding to 101161527481 its reverse (184725161101), we get a palindrome (285886688582).

The spelling of 101161527481 in words is "one hundred one billion, one hundred sixty-one million, five hundred twenty-seven thousand, four hundred eighty-one".