1157557375078 has 8 divisors (see below), whose sum is σ = 1869900375168. Its totient is φ = 534257250024.

The previous prime is 1157557375067. The next prime is 1157557375109. The reversal of 1157557375078 is 8705737557511.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22260718726 + ... + 22260718777.

It is an arithmetic number, because the mean of its divisors is an integer number (233737546896).

Almost surely, 2^{1157557375078} is an apocalyptic number.

1157557375078 is a deficient number, since it is larger than the sum of its proper divisors (712343000090).

1157557375078 is a wasteful number, since it uses less digits than its factorization.

1157557375078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44521437518.

The product of its (nonzero) digits is 36015000, while the sum is 61.

The spelling of 1157557375078 in words is "one trillion, one hundred fifty-seven billion, five hundred fifty-seven million, three hundred seventy-five thousand, seventy-eight".