2151510542 has 8 divisors (see below), whose sum is σ = 3229538016. Its totient is φ = 1074997872.

The previous prime is 2151510509. The next prime is 2151510617. The reversal of 2151510542 is 2450151512.

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

It is a super-2 number, since 2×2151510542² = 9257995224674267528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375143 + ... + 380834.

It is an arithmetic number, because the mean of its divisors is an integer number (403692252).

Almost surely, 2^2151510542 is an apocalyptic number.

2151510542 is a deficient number, since it is larger than the sum of its proper divisors (1078027474).

2151510542 is a wasteful number, since it uses less digits than its factorization.

2151510542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757402.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2151510542 is about 46384.3782107726. The cubic root of 2151510542 is about 1290.9650735555.

The spelling of 2151510542 in words is "two billion, one hundred fifty-one million, five hundred ten thousand, five hundred forty-two".