2151354051515 has 8 divisors (see below), whose sum is σ = 2651398506960. Its totient is φ = 1674567477792.

The previous prime is 2151354051499. The next prime is 2151354051551. The reversal of 2151354051515 is 5151504531512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2151354051515 - 2⁴ = 2151354051499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5814470225 + ... + 5814470594.

It is an arithmetic number, because the mean of its divisors is an integer number (331424813370).

Almost surely, 2^{2151354051515} is an apocalyptic number.

2151354051515 is a deficient number, since it is larger than the sum of its proper divisors (500044455445).

2151354051515 is a wasteful number, since it uses less digits than its factorization.

2151354051515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628940861.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 2151354051515 in words is "two trillion, one hundred fifty-one billion, three hundred fifty-four million, fifty-one thousand, five hundred fifteen".