1157715725446 has 32 divisors (see below), whose sum is σ = 2040435226368. Its totient is φ = 482328332640.

The previous prime is 1157715725417. The next prime is 1157715725473. The reversal of 1157715725446 is 6445275177511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4430125 + ... + 4684168.

It is an arithmetic number, because the mean of its divisors is an integer number (63763600824).

Almost surely, 2^{1157715725446} is an apocalyptic number.

1157715725446 is a deficient number, since it is larger than the sum of its proper divisors (882719500922).

1157715725446 is a wasteful number, since it uses less digits than its factorization.

1157715725446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114556.

The product of its digits is 8232000, while the sum is 55.

The spelling of 1157715725446 in words is "one trillion, one hundred fifty-seven billion, seven hundred fifteen million, seven hundred twenty-five thousand, four hundred forty-six".