2151545000415 has 16 divisors (see below), whose sum is σ = 3498905969376. Its totient is φ = 1128679344000.

The previous prime is 2151545000329. The next prime is 2151545000453. The reversal of 2151545000415 is 5140005451512.

It is a happy number.

It is not a de Polignac number, because 2151545000415 - 2⁷ = 2151545000287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175706736 + ... + 1175708565.

It is an arithmetic number, because the mean of its divisors is an integer number (218681623086).

Almost surely, 2^{2151545000415} is an apocalyptic number.

2151545000415 is a deficient number, since it is larger than the sum of its proper divisors (1347360968961).

2151545000415 is a wasteful number, since it uses less digits than its factorization.

2151545000415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351415370.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 2151545000415 in words is "two trillion, one hundred fifty-one billion, five hundred forty-five million, four hundred fifteen", and thus it is an aban number.