1157188053 has 16 divisors (see below), whose sum is σ = 1764392960. Its totient is φ = 660853296.

The previous prime is 1157188051. The next prime is 1157188099. The reversal of 1157188053 is 3508817511.

It is a happy number.

It is not a de Polignac number, because 1157188053 - 2¹ = 1157188051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157188051) 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, 21276 + ... + 52602.

It is an arithmetic number, because the mean of its divisors is an integer number (110274560).

Almost surely, 2^1157188053 is an apocalyptic number.

It is an amenable number.

1157188053 is a deficient number, since it is larger than the sum of its proper divisors (607204907).

1157188053 is a wasteful number, since it uses less digits than its factorization.

1157188053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33096.

The product of its (nonzero) digits is 33600, while the sum is 39.

The square root of 1157188053 is about 34017.4668810010. The cubic root of 1157188053 is about 1049.8678754386.

The spelling of 1157188053 in words is "one billion, one hundred fifty-seven million, one hundred eighty-eight thousand, fifty-three".