1255440611602 has 16 divisors (see below), whose sum is σ = 1929152467872. Its totient is φ = 612390754080.

The previous prime is 1255440611573. The next prime is 1255440611603. The reversal of 1255440611602 is 2061160445521.

It is a super-2 number, since 2×1255440611602² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255440611603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575873 + ... + 3024235.

It is an arithmetic number, because the mean of its divisors is an integer number (120572029242).

Almost surely, 2^{1255440611602} is an apocalyptic number.

1255440611602 is a deficient number, since it is larger than the sum of its proper divisors (673711856270).

1255440611602 is a wasteful number, since it uses less digits than its factorization.

1255440611602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482553.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 1255440611602 in words is "one trillion, two hundred fifty-five billion, four hundred forty million, six hundred eleven thousand, six hundred two".