2051554551502 has 16 divisors (see below), whose sum is σ = 3112725851424. Its totient is φ = 1014011460000.

The previous prime is 2051554551499. The next prime is 2051554551503.

It is a happy number.

2051554551502 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051554551503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7920249 + ... + 8175172.

It is an arithmetic number, because the mean of its divisors is an integer number (194545365714).

Almost surely, 2^{2051554551502} is an apocalyptic number.

2051554551502 is a deficient number, since it is larger than the sum of its proper divisors (1061171299922).

2051554551502 is a wasteful number, since it uses less digits than its factorization.

2051554551502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16096155.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 2051554551502 in words is "two trillion, fifty-one billion, five hundred fifty-four million, five hundred fifty-one thousand, five hundred two".