2151742736106 has 12 divisors (see below), whose sum is σ = 4662109261602. Its totient is φ = 717247578696.

The previous prime is 2151742736081. The next prime is 2151742736111. The reversal of 2151742736106 is 6016372471512.

2151742736106 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 7 + 4 + 27 + 3 + 610 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1894039290081 + 257703446025 = 1376241^2 + 507645^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59770631541 + ... + 59770631576.

Almost surely, 2^{2151742736106} is an apocalyptic number.

2151742736106 is an abundant number, since it is smaller than the sum of its proper divisors (2510366525496).

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

2151742736106 is a wasteful number, since it uses less digits than its factorization.

2151742736106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119541263125 (or 119541263122 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 2151742736106 in words is "two trillion, one hundred fifty-one billion, seven hundred forty-two million, seven hundred thirty-six thousand, one hundred six".