541152191572 has 6 divisors (see below), whose sum is σ = 947016335258. Its totient is φ = 270576095784.

The previous prime is 541152191561. The next prime is 541152191597. The reversal of 541152191572 is 275191251145.

It can be written as a sum of positive squares in only one way, i.e., 350598988996 + 190553202576 = 592114^2 + 436524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67644023943 + ... + 67644023950.

Almost surely, 2^541152191572 is an apocalyptic number.

It is an amenable number.

541152191572 is a deficient number, since it is larger than the sum of its proper divisors (405864143686).

541152191572 is a wasteful number, since it uses less digits than its factorization.

541152191572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135288047897 (or 135288047895 counting only the distinct ones).

The product of its digits is 126000, while the sum is 43.

The spelling of 541152191572 in words is "five hundred forty-one billion, one hundred fifty-two million, one hundred ninety-one thousand, five hundred seventy-two".