1255357403616 has 96 divisors (see below), whose sum is σ = 3300503673600. Its totient is φ = 417793895424.

The previous prime is 1255357403563. The next prime is 1255357403653. The reversal of 1255357403616 is 6163047535521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287725851 + ... + 287730213.

It is an arithmetic number, because the mean of its divisors is an integer number (34380246600).

Almost surely, 2^{1255357403616} is an apocalyptic number.

1255357403616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1255357403616 is an abundant number, since it is smaller than the sum of its proper divisors (2045146269984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255357403616 is a wasteful number, since it uses less digits than its factorization.

1255357403616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408 (or 8400 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 1255357403616 in words is "one trillion, two hundred fifty-five billion, three hundred fifty-seven million, four hundred three thousand, six hundred sixteen".