2651356105140 has 96 divisors (see below), whose sum is σ = 7494372232704. Its totient is φ = 700308961920.

The previous prime is 2651356105061. The next prime is 2651356105141. The reversal of 2651356105140 is 415016531562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651356105141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45083955 + ... + 45142725.

It is an arithmetic number, because the mean of its divisors is an integer number (78066377424).

Almost surely, 2^{2651356105140} is an apocalyptic number.

2651356105140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651356105140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3747186116352).

2651356105140 is an abundant number, since it is smaller than the sum of its proper divisors (4843016127564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2651356105140 is a wasteful number, since it uses less digits than its factorization.

2651356105140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65917 (or 65915 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 2651356105140 in words is "two trillion, six hundred fifty-one billion, three hundred fifty-six million, one hundred five thousand, one hundred forty".