2251515146012 has 24 divisors (see below), whose sum is σ = 4298995288560. Its totient is φ = 1023261644160.

The previous prime is 2251515146003. The next prime is 2251515146017. The reversal of 2251515146012 is 2106415151522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251515146017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3562937 + ... + 4146992.

It is an arithmetic number, because the mean of its divisors is an integer number (179124803690).

Almost surely, 2^{2251515146012} is an apocalyptic number.

2251515146012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2251515146012 is a deficient number, since it is larger than the sum of its proper divisors (2047480142548).

2251515146012 is a wasteful number, since it uses less digits than its factorization.

2251515146012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716581 (or 7716579 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 2251515146012 in words is "two trillion, two hundred fifty-one billion, five hundred fifteen million, one hundred forty-six thousand, twelve".