2151042211325 has 48 divisors (see below), whose sum is σ = 3054267800064. Its totient is φ = 1472131584000.

The previous prime is 2151042211321. The next prime is 2151042211333. The reversal of 2151042211325 is 5231122401512.

It is not a de Polignac number, because 2151042211325 - 2² = 2151042211321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151042211321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339438557 + ... + 339444893.

It is an arithmetic number, because the mean of its divisors is an integer number (63630579168).

Almost surely, 2^{2151042211325} is an apocalyptic number.

2151042211325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151042211325 is a deficient number, since it is larger than the sum of its proper divisors (903225588739).

2151042211325 is a wasteful number, since it uses less digits than its factorization.

2151042211325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9822 (or 9817 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 2151042211325 its reverse (5231122401512), we get a palindrome (7382164612837).

The spelling of 2151042211325 in words is "two trillion, one hundred fifty-one billion, forty-two million, two hundred eleven thousand, three hundred twenty-five".