611221617225130 has 16 divisors (see below), whose sum is σ = 1100246087742984. Its totient is φ = 244478163170560.

The previous prime is 611221617225127. The next prime is 611221617225169. The reversal of 611221617225130 is 31522716122116.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 359505527918161 + 251716089306969 = 18960631^2 + 15865563^2 .

It is a super-2 number, since 2×611221617225130² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310220067 + ... + 1310686486.

Almost surely, 2^{611221617225130} is an apocalyptic number.

611221617225130 is a deficient number, since it is larger than the sum of its proper divisors (489024470517854).

611221617225130 is a wasteful number, since it uses less digits than its factorization.

611221617225130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620929881.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 611221617225130 in words is "six hundred eleven trillion, two hundred twenty-one billion, six hundred seventeen million, two hundred twenty-five thousand, one hundred thirty".