1157761903394 has 16 divisors (see below), whose sum is σ = 1796656204800. Its totient is φ = 558959681280.

The previous prime is 1157761903391. The next prime is 1157761903411. The reversal of 1157761903394 is 4933091677511.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1157761903391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20766794 + ... + 20822469.

It is an arithmetic number, because the mean of its divisors is an integer number (112291012800).

Almost surely, 2^{1157761903394} is an apocalyptic number.

1157761903394 is a deficient number, since it is larger than the sum of its proper divisors (638894301406).

1157761903394 is a wasteful number, since it uses less digits than its factorization.

1157761903394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41589745.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 1157761903394 in words is "one trillion, one hundred fifty-seven billion, seven hundred sixty-one million, nine hundred three thousand, three hundred ninety-four".