1151872602541 has 4 divisors (see below), whose sum is σ = 1152405632284. Its totient is φ = 1151339572800.

The previous prime is 1151872602509. The next prime is 1151872602547. The reversal of 1151872602541 is 1452062781511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 685070736100 + 466801866441 = 827690^2 + 683229^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151872602541 - 2⁵ = 1151872602509 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 (1151872602547) 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, 266511630 + ... + 266515951.

It is an arithmetic number, because the mean of its divisors is an integer number (288101408071).

Almost surely, 2^{1151872602541} is an apocalyptic number.

It is an amenable number.

1151872602541 is a deficient number, since it is larger than the sum of its proper divisors (533029743).

1151872602541 is an equidigital number, since it uses as much as digits as its factorization.

1151872602541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533029742.

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 1151872602541 in words is "one trillion, one hundred fifty-one billion, eight hundred seventy-two million, six hundred two thousand, five hundred forty-one".