261422524121030 has 16 divisors (see below), whose sum is σ = 481503811870224. Its totient is φ = 102137172214560.

The previous prime is 261422524121009. The next prime is 261422524121063. The reversal of 261422524121030 is 30121425224162.

It is a super-2 number, since 2×261422524121030² (a number of 30 digits) contains 22 as substring.

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, 303979678781 + ... + 303979679640.

It is an arithmetic number, because the mean of its divisors is an integer number (30093988241889).

Almost surely, 2^{261422524121030} is an apocalyptic number.

261422524121030 is a deficient number, since it is larger than the sum of its proper divisors (220081287749194).

261422524121030 is a wasteful number, since it uses less digits than its factorization.

261422524121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607959358471.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 261422524121030 its reverse (30121425224162), we get a palindrome (291543949345192).

The spelling of 261422524121030 in words is "two hundred sixty-one trillion, four hundred twenty-two billion, five hundred twenty-four million, one hundred twenty-one thousand, thirty".