140551515012515 has 16 divisors (see below), whose sum is σ = 168969461380608. Its totient is φ = 112236210307296.

The previous prime is 140551515012511. The next prime is 140551515012523. The reversal of 140551515012515 is 515210515155041.

It is a cyclic number.

It is not a de Polignac number, because 140551515012515 - 2² = 140551515012511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140551515012511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6117344 + ... + 17847266.

It is an arithmetic number, because the mean of its divisors is an integer number (10560591336288).

Almost surely, 2^{140551515012515} is an apocalyptic number.

140551515012515 is a deficient number, since it is larger than the sum of its proper divisors (28417946368093).

140551515012515 is a wasteful number, since it uses less digits than its factorization.

140551515012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734298.

The product of its (nonzero) digits is 125000, while the sum is 41.

The spelling of 140551515012515 in words is "one hundred forty trillion, five hundred fifty-one billion, five hundred fifteen million, twelve thousand, five hundred fifteen".