117549202524121 has 9 divisors (see below), whose sum is σ = 118599902878431. Its totient is φ = 116507729789472.

The previous prime is 117549202524113. The next prime is 117549202524137. The reversal of 117549202524121 is 121425202945711.

The square root of 117549202524121 is 10842011.

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

It can be written as a sum of positive squares in only one way, i.e., 2071311032025 + 115477891492096 = 1439205^2 + 10746064^2 .

It is not a de Polignac number, because 117549202524121 - 2³ = 117549202524113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117549202524151) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1225099270 + ... + 1225195216.

Almost surely, 2^{117549202524121} is an apocalyptic number.

117549202524121 is the 10842011-st square number.

117549202524121 is the 5421006-th centered octagonal number.

It is an amenable number.

117549202524121 is a deficient number, since it is larger than the sum of its proper divisors (1050700354310).

117549202524121 is an frugal number, since it uses more digits than its factorization.

117549202524121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192120 (or 96060 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 117549202524121 in words is "one hundred seventeen trillion, five hundred forty-nine billion, two hundred two million, five hundred twenty-four thousand, one hundred twenty-one".