2153877765105 has 32 divisors (see below), whose sum is σ = 3980642548608. Its totient is φ = 982874700800.

The previous prime is 2153877765101. The next prime is 2153877765113. The reversal of 2153877765105 is 5015677783512.

It is not a de Polignac number, because 2153877765105 - 2² = 2153877765101 is a prime.

It is a super-2 number, since 2×2153877765105² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153877765101) 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, 383932626 + ... + 383938235.

It is an arithmetic number, because the mean of its divisors is an integer number (124395079644).

Almost surely, 2^{2153877765105} is an apocalyptic number.

It is an amenable number.

2153877765105 is a deficient number, since it is larger than the sum of its proper divisors (1826764783503).

2153877765105 is a wasteful number, since it uses less digits than its factorization.

2153877765105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767870897.

The product of its (nonzero) digits is 12348000, while the sum is 57.

The spelling of 2153877765105 in words is "two trillion, one hundred fifty-three billion, eight hundred seventy-seven million, seven hundred sixty-five thousand, one hundred five".