1256151047462 has 8 divisors (see below), whose sum is σ = 1995063428376. Its totient is φ = 591129904672.

The previous prime is 1256151047447. The next prime is 1256151047467. The reversal of 1256151047462 is 2647401516521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256151047467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18472809488 + ... + 18472809555.

It is an arithmetic number, because the mean of its divisors is an integer number (249382928547).

Almost surely, 2^{1256151047462} is an apocalyptic number.

1256151047462 is a deficient number, since it is larger than the sum of its proper divisors (738912380914).

1256151047462 is a wasteful number, since it uses less digits than its factorization.

1256151047462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36945619062.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 1256151047462 in words is "one trillion, two hundred fifty-six billion, one hundred fifty-one million, forty-seven thousand, four hundred sixty-two".