61022500353481 has 4 divisors (see below), whose sum is σ = 61023270112272. Its totient is φ = 61021730594692.

The previous prime is 61022500353431. The next prime is 61022500353679. The reversal of 61022500353481 is 18435300522016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61022500353481 - 2²¹ = 61022498256329 is a prime.

It is a super-2 number, since 2×61022500353481² (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 (61022500353421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384760471 + ... + 384919036.

It is an arithmetic number, because the mean of its divisors is an integer number (15255817528068).

Almost surely, 2^{61022500353481} is an apocalyptic number.

It is an amenable number.

61022500353481 is a deficient number, since it is larger than the sum of its proper divisors (769758791).

61022500353481 is an equidigital number, since it uses as much as digits as its factorization.

61022500353481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769758790.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 61022500353481 its reverse (18435300522016), we get a palindrome (79457800875497).

The spelling of 61022500353481 in words is "sixty-one trillion, twenty-two billion, five hundred million, three hundred fifty-three thousand, four hundred eighty-one".