1157337740649 has 16 divisors (see below), whose sum is σ = 1550734606080. Its totient is φ = 767754704640.

The previous prime is 1157337740617. The next prime is 1157337740651. The reversal of 1157337740649 is 9460477337511.

It is not a de Polignac number, because 1157337740649 - 2⁵ = 1157337740617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157337740249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296512 + ... + 1550030.

It is an arithmetic number, because the mean of its divisors is an integer number (96920912880).

Almost surely, 2^{1157337740649} is an apocalyptic number.

It is an amenable number.

1157337740649 is a deficient number, since it is larger than the sum of its proper divisors (393396865431).

1157337740649 is a wasteful number, since it uses less digits than its factorization.

1157337740649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255040.

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 1157337740649 in words is "one trillion, one hundred fifty-seven billion, three hundred thirty-seven million, seven hundred forty thousand, six hundred forty-nine".