2154054541045 has 12 divisors (see below), whose sum is σ = 2841215742540. Its totient is φ = 1566585120320.

The previous prime is 2154054540991. The next prime is 2154054541061. The reversal of 2154054541045 is 5401454504512.

It can be written as a sum of positive squares in 2 ways, for example, as 1509757753284 + 644296787761 = 1228722^2 + 802681^2 .

It is not a de Polignac number, because 2154054541045 - 2⁷ = 2154054540917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2154054540989 and 2154054541007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1780209760 + ... + 1780210969.

It is an arithmetic number, because the mean of its divisors is an integer number (236767978545).

Almost surely, 2^{2154054541045} is an apocalyptic number.

It is an amenable number.

2154054541045 is a deficient number, since it is larger than the sum of its proper divisors (687161201495).

2154054541045 is a wasteful number, since it uses less digits than its factorization.

2154054541045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560420756 (or 3560420745 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 2154054541045 in words is "two trillion, one hundred fifty-four billion, fifty-four million, five hundred forty-one thousand, forty-five".