245655556601 has 16 divisors (see below), whose sum is σ = 302362236288. Its totient is φ = 194353948800.

The previous prime is 245655556571. The next prime is 245655556609. The reversal of 245655556601 is 106655556542.

It is a cyclic number.

It is not a de Polignac number, because 245655556601 - 2⁶ = 245655556537 is a prime.

It is a super-2 number, since 2×245655556601² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245655556601.

It is not an unprimeable number, because it can be changed into a prime (245655556609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1816706 + ... + 1947236.

It is an arithmetic number, because the mean of its divisors is an integer number (18897639768).

Almost surely, 2^245655556601 is an apocalyptic number.

It is an amenable number.

245655556601 is a deficient number, since it is larger than the sum of its proper divisors (56706679687).

245655556601 is a wasteful number, since it uses less digits than its factorization.

245655556601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151232.

The product of its (nonzero) digits is 5400000, while the sum is 50.

The spelling of 245655556601 in words is "two hundred forty-five billion, six hundred fifty-five million, five hundred fifty-six thousand, six hundred one".