1225577745007 has 16 divisors (see below), whose sum is σ = 1542011328000. Its totient is φ = 946234211040.

The previous prime is 1225577744987. The next prime is 1225577745031. The reversal of 1225577745007 is 7005477755221.

It is a cyclic number.

It is not a de Polignac number, because 1225577745007 - 2³⁵ = 1191218006639 is a prime.

It is a super-2 number, since 2×1225577745007² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225577745047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73003507 + ... + 73020292.

It is an arithmetic number, because the mean of its divisors is an integer number (96375708000).

Almost surely, 2^{1225577745007} is an apocalyptic number.

1225577745007 is a deficient number, since it is larger than the sum of its proper divisors (316433582993).

1225577745007 is a wasteful number, since it uses less digits than its factorization.

1225577745007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146023926.

The product of its (nonzero) digits is 4802000, while the sum is 52.

The spelling of 1225577745007 in words is "one trillion, two hundred twenty-five billion, five hundred seventy-seven million, seven hundred forty-five thousand, seven".