2151511260446 has 8 divisors (see below), whose sum is σ = 3227755964400. Its totient is φ = 1075592605648.

The previous prime is 2151511260337. The next prime is 2151511260449. The reversal of 2151511260446 is 6440621151512.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151511260449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81495791 + ... + 81522186.

It is an arithmetic number, because the mean of its divisors is an integer number (403469495550).

Almost surely, 2^{2151511260446} is an apocalyptic number.

2151511260446 is a deficient number, since it is larger than the sum of its proper divisors (1076244703954).

2151511260446 is a wasteful number, since it uses less digits than its factorization.

2151511260446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163024578.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 2151511260446 in words is "two trillion, one hundred fifty-one billion, five hundred eleven million, two hundred sixty thousand, four hundred forty-six".