121525052455 has 8 divisors (see below), whose sum is σ = 145848355632. Its totient is φ = 97207846848.

The previous prime is 121525052443. The next prime is 121525052461. The reversal of 121525052455 is 554250525121.

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 121525052455 - 2¹¹ = 121525050407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480429 + ... + 1560358.

It is an arithmetic number, because the mean of its divisors is an integer number (18231044454).

Almost surely, 2^121525052455 is an apocalyptic number.

121525052455 is a deficient number, since it is larger than the sum of its proper divisors (24323303177).

121525052455 is an equidigital number, since it uses as much as digits as its factorization.

121525052455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048785.

The product of its (nonzero) digits is 100000, while the sum is 37.

Adding to 121525052455 its reverse (554250525121), we get a palindrome (675775577576).

The spelling of 121525052455 in words is "one hundred twenty-one billion, five hundred twenty-five million, fifty-two thousand, four hundred fifty-five".