1157427703206 has 48 divisors (see below), whose sum is σ = 2536195568400. Its totient is φ = 381435419904.

The previous prime is 1157427703171. The next prime is 1157427703207. The reversal of 1157427703206 is 6023077247511.

1157427703206 is a `hidden beast` number, since 1 + 1 + 57 + 4 + 277 + 0 + 320 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157427703207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18643525 + ... + 18705503.

It is an arithmetic number, because the mean of its divisors is an integer number (52837407675).

Almost surely, 2^{1157427703206} is an apocalyptic number.

1157427703206 is an abundant number, since it is smaller than the sum of its proper divisors (1378767865194).

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

1157427703206 is a wasteful number, since it uses less digits than its factorization.

1157427703206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73733 (or 73730 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 1157427703206 in words is "one trillion, one hundred fifty-seven billion, four hundred twenty-seven million, seven hundred three thousand, two hundred six".