52121011401 has 6 divisors (see below), whose sum is σ = 75285905370. Its totient is φ = 34747340928.

The previous prime is 52121011373. The next prime is 52121011427. The reversal of 52121011401 is 10411012125.

52121011401 is a `hidden beast` number, since 52 + 1 + 210 + 1 + 1 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35910629001 + 16210382400 = 189501^2 + 127320^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52121011401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52121011441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2895611736 + ... + 2895611753.

It is an arithmetic number, because the mean of its divisors is an integer number (12547650895).

Almost surely, 2^52121011401 is an apocalyptic number.

It is an amenable number.

52121011401 is a deficient number, since it is larger than the sum of its proper divisors (23164893969).

52121011401 is a wasteful number, since it uses less digits than its factorization.

52121011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791223495 (or 5791223492 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 52121011401 its reverse (10411012125), we get a palindrome (62532023526).

The spelling of 52121011401 in words is "fifty-two billion, one hundred twenty-one million, eleven thousand, four hundred one".