1256541314630 has 64 divisors (see below), whose sum is σ = 2594378360448. Its totient is φ = 429232711680.

The previous prime is 1256541314597. The next prime is 1256541314681. The reversal of 1256541314630 is 364131456521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136858640 + ... + 136867820.

It is an arithmetic number, because the mean of its divisors is an integer number (40537161882).

Almost surely, 2^{1256541314630} is an apocalyptic number.

1256541314630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1256541314630 is an abundant number, since it is smaller than the sum of its proper divisors (1337837045818).

1256541314630 is a wasteful number, since it uses less digits than its factorization.

1256541314630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1256541314630 in words is "one trillion, two hundred fifty-six billion, five hundred forty-one million, three hundred fourteen thousand, six hundred thirty".