1151870544101 has 4 divisors (see below), whose sum is σ = 1212495309600. Its totient is φ = 1091245778604.

The previous prime is 1151870544079. The next prime is 1151870544109. The reversal of 1151870544101 is 1014450781511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151870544101 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 (1151870544109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30312382721 + ... + 30312382758.

It is an arithmetic number, because the mean of its divisors is an integer number (303123827400).

Almost surely, 2^{1151870544101} is an apocalyptic number.

It is an amenable number.

1151870544101 is a deficient number, since it is larger than the sum of its proper divisors (60624765499).

1151870544101 is an equidigital number, since it uses as much as digits as its factorization.

1151870544101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60624765498.

The product of its (nonzero) digits is 22400, while the sum is 38.

The spelling of 1151870544101 in words is "one trillion, one hundred fifty-one billion, eight hundred seventy million, five hundred forty-four thousand, one hundred one".