521245166211052 has 96 divisors (see below), whose sum is σ = 1013154860495232. Its totient is φ = 233389210238976.

The previous prime is 521245166211023. The next prime is 521245166211127. The reversal of 521245166211052 is 250112661542125.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368443348 + ... + 369855364.

It is an arithmetic number, because the mean of its divisors is an integer number (10553696463492).

Almost surely, 2^{521245166211052} is an apocalyptic number.

It is an amenable number.

521245166211052 is a deficient number, since it is larger than the sum of its proper divisors (491909694284180).

521245166211052 is a wasteful number, since it uses less digits than its factorization.

521245166211052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413307 (or 1413305 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 521245166211052 in words is "five hundred twenty-one trillion, two hundred forty-five billion, one hundred sixty-six million, two hundred eleven thousand, fifty-two".