1157896506 has 32 divisors (see below), whose sum is σ = 2497336128. Its totient is φ = 355789440.

The previous prime is 1157896501. The next prime is 1157896547. The reversal of 1157896506 is 6056987511.

It is not an unprimeable number, because it can be changed into a prime (1157896501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49605 + ... + 69111.

It is an arithmetic number, because the mean of its divisors is an integer number (78041754).

Almost surely, 2^1157896506 is an apocalyptic number.

1157896506 is an abundant number, since it is smaller than the sum of its proper divisors (1339439622).

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

1157896506 is a wasteful number, since it uses less digits than its factorization.

1157896506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20286.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 1157896506 is about 34027.8783646586. The cubic root of 1157896506 is about 1050.0820815651.

The spelling of 1157896506 in words is "one billion, one hundred fifty-seven million, eight hundred ninety-six thousand, five hundred six".