1157425312989 has 32 divisors (see below), whose sum is σ = 1738071134208. Its totient is φ = 678749616000.

The previous prime is 1157425312961. The next prime is 1157425313021. The reversal of 1157425312989 is 9892135247511.

It is not a de Polignac number, because 1157425312989 - 2¹⁹ = 1157424788701 is a prime.

It is a super-2 number, since 2×1157425312989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157425382989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7858354 + ... + 8004284.

It is an arithmetic number, because the mean of its divisors is an integer number (54314722944).

Almost surely, 2^{1157425312989} is an apocalyptic number.

It is an amenable number.

1157425312989 is a deficient number, since it is larger than the sum of its proper divisors (580645821219).

1157425312989 is a wasteful number, since it uses less digits than its factorization.

1157425312989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153729.

The product of its digits is 5443200, while the sum is 57.

The spelling of 1157425312989 in words is "one trillion, one hundred fifty-seven billion, four hundred twenty-five million, three hundred twelve thousand, nine hundred eighty-nine".