2051450311245 has 64 divisors (see below), whose sum is σ = 3487510252800. Its totient is φ = 1027890984960.

The previous prime is 2051450311241. The next prime is 2051450311249. The reversal of 2051450311245 is 5421130541502.

It is an interprime number because it is at equal distance from previous prime (2051450311241) and next prime (2051450311249).

It is not a de Polignac number, because 2051450311245 - 2² = 2051450311241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051450311241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6607719 + ... + 6911211.

It is an arithmetic number, because the mean of its divisors is an integer number (54492347700).

Almost surely, 2^{2051450311245} is an apocalyptic number.

It is an amenable number.

2051450311245 is a deficient number, since it is larger than the sum of its proper divisors (1436059941555).

2051450311245 is a wasteful number, since it uses less digits than its factorization.

2051450311245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303950.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 2051450311245 its reverse (5421130541502), we get a palindrome (7472580852747).

The spelling of 2051450311245 in words is "two trillion, fifty-one billion, four hundred fifty million, three hundred eleven thousand, two hundred forty-five".