1157637487852 has 6 divisors (see below), whose sum is σ = 2025865603748. Its totient is φ = 578818743924.

The previous prime is 1157637487841. The next prime is 1157637487967. The reversal of 1157637487852 is 2587847367511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144704685978 + ... + 144704685985.

Almost surely, 2^{1157637487852} is an apocalyptic number.

It is an amenable number.

1157637487852 is a deficient number, since it is larger than the sum of its proper divisors (868228115896).

1157637487852 is a wasteful number, since it uses less digits than its factorization.

1157637487852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289409371967 (or 289409371965 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 64.

The spelling of 1157637487852 in words is "one trillion, one hundred fifty-seven billion, six hundred thirty-seven million, four hundred eighty-seven thousand, eight hundred fifty-two".