20125151541 has 40 divisors (see below), whose sum is σ = 33047090208. Its totient is φ = 12103884000.

The previous prime is 20125151539. The next prime is 20125151549. The reversal of 20125151541 is 14515152102.

It is a happy number.

20125151541 is a `hidden beast` number, since 20 + 1 + 2 + 51 + 51 + 541 = 666.

It is not a de Polignac number, because 20125151541 - 2¹ = 20125151539 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125151549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30511 + ... + 202931.

Almost surely, 2^20125151541 is an apocalyptic number.

It is an amenable number.

20125151541 is a deficient number, since it is larger than the sum of its proper divisors (12921938667).

20125151541 is a wasteful number, since it uses less digits than its factorization.

20125151541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172575 (or 172566 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 20125151541 in words is "twenty billion, one hundred twenty-five million, one hundred fifty-one thousand, five hundred forty-one".