2051154701870 has 16 divisors (see below), whose sum is σ = 3754656065520. Its totient is φ = 806555746944.

The previous prime is 2051154701803. The next prime is 2051154701879. The reversal of 2051154701870 is 781074511502.

It is a super-2 number, since 2×2051154701870² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051154701879) 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, 1738266107 + ... + 1738267286.

It is an arithmetic number, because the mean of its divisors is an integer number (234666004095).

Almost surely, 2^{2051154701870} is an apocalyptic number.

2051154701870 is a deficient number, since it is larger than the sum of its proper divisors (1703501363650).

2051154701870 is a wasteful number, since it uses less digits than its factorization.

2051154701870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476533459.

The product of its (nonzero) digits is 78400, while the sum is 41.

The spelling of 2051154701870 in words is "two trillion, fifty-one billion, one hundred fifty-four million, seven hundred one thousand, eight hundred seventy".