61523125453201 has 8 divisors (see below), whose sum is σ = 64761390587520. Its totient is φ = 58284880908912.

The previous prime is 61523125453091. The next prime is 61523125453213. The reversal of 61523125453201 is 10235452132516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61523125453201 - 2¹¹ = 61523125451153 is a prime.

It is a super-2 number, since 2×61523125453201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61523125453271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185576 + ... + 11155798.

It is an arithmetic number, because the mean of its divisors is an integer number (8095173823440).

Almost surely, 2^{61523125453201} is an apocalyptic number.

It is an amenable number.

61523125453201 is a deficient number, since it is larger than the sum of its proper divisors (3238265134319).

61523125453201 is a wasteful number, since it uses less digits than its factorization.

61523125453201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295015.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 61523125453201 its reverse (10235452132516), we get a palindrome (71758577585717).

The spelling of 61523125453201 in words is "sixty-one trillion, five hundred twenty-three billion, one hundred twenty-five million, four hundred fifty-three thousand, two hundred one".