154314515525131 has 32 divisors (see below), whose sum is σ = 169319253221888. Its totient is φ = 139779096387840.

The previous prime is 154314515525119. The next prime is 154314515525141. The reversal of 154314515525131 is 131525515413451.

It is not a de Polignac number, because 154314515525131 - 2⁷ = 154314515525003 is a prime.

It is a super-2 number, since 2×154314515525131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154314515525111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158880466 + ... + 159848776.

It is an arithmetic number, because the mean of its divisors is an integer number (5291226663184).

Almost surely, 2^{154314515525131} is an apocalyptic number.

154314515525131 is a deficient number, since it is larger than the sum of its proper divisors (15004737696757).

154314515525131 is a wasteful number, since it uses less digits than its factorization.

154314515525131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969251.

The product of its digits is 900000, while the sum is 46.

The spelling of 154314515525131 in words is "one hundred fifty-four trillion, three hundred fourteen billion, five hundred fifteen million, five hundred twenty-five thousand, one hundred thirty-one".