1157643753554 has 8 divisors (see below), whose sum is σ = 1755976480380. Its totient is φ = 572318260096.

The previous prime is 1157643753503. The next prime is 1157643753587. The reversal of 1157643753554 is 4553573467511.

It can be written as a sum of positive squares in 2 ways, for example, as 1095382026025 + 62261727529 = 1046605^2 + 249523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1157643753554.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251808119 + ... + 3251808474.

Almost surely, 2^{1157643753554} is an apocalyptic number.

1157643753554 is a deficient number, since it is larger than the sum of its proper divisors (598332726826).

1157643753554 is an equidigital number, since it uses as much as digits as its factorization.

1157643753554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503616684.

The product of its digits is 26460000, while the sum is 56.

The spelling of 1157643753554 in words is "one trillion, one hundred fifty-seven billion, six hundred forty-three million, seven hundred fifty-three thousand, five hundred fifty-four".