611406485102051 has 2 divisors, whose sum is σ = 611406485102052. Its totient is φ = 611406485102050.

The previous prime is 611406485102047. The next prime is 611406485102057. The reversal of 611406485102051 is 150201584604116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611406485102051 - 2² = 611406485102047 is a prime.

It is a super-2 number, since 2×611406485102051² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 611406485101993 and 611406485102011.

It is not a weakly prime, because it can be changed into another prime (611406485102057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305703242551025 + 305703242551026.

It is an arithmetic number, because the mean of its divisors is an integer number (305703242551026).

Almost surely, 2^{611406485102051} is an apocalyptic number.

611406485102051 is a deficient number, since it is larger than the sum of its proper divisors (1).

611406485102051 is an equidigital number, since it uses as much as digits as its factorization.

611406485102051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 611406485102051 in words is "six hundred eleven trillion, four hundred six billion, four hundred eighty-five million, one hundred two thousand, fifty-one".